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{{Era|HCW|Post}}
{{Status|Canon}}
{{Newcontent|[[Halo: Broken Circle]]}}
{{Battle infobox
{{Battle Infobox
|prev=
|prev=
|conc=[[Insurrection]], [[Human-Covenant War]], [[Sangheili civil war]], [[Post-Covenant War conflicts]]
|conc=[[Human-Covenant War]]
|next=
|next=[[Sangheili-Jiralhanae war]]
|image=[[File:H2A - Great Schism.jpg|350px]]Covenant loyalist and separatist fleets battle over ''High Charity'' near [[Installation 05]]
|image=[[File:H2A - HighCharityBattle Concept.png|350px]]
|conflict=
|conflict=
|date= [[2552#November|November 2, 2552]]<ref group="note">The massacre of the Sangheili on Earth on October 20, 2552 (witnessed in ''Halo 3: ODST'') is regarded as an isolated incident leading up to the Schism, whereas the conflict at large is considered to have begun with the Sangheili's banishment from the Honor Guard and the subsequent outbreak of all-out hostilities within ''High Charity'' and its fleets on November 2.</ref> - Ongoing as of [[2559]]<ref name="Evolutions">'''[[Halo: Evolutions]]''', "[[The Return]]"</ref>
|date=  
|place=[[Milky Way|Milky Way galaxy]]
*[[2552#November|November 3, 2552]]–[[2552#December|December 11, 2552]]{{Ref/Note|The massacre of the Sangheili on Earth on October 20, 2552 (witnessed in ''Halo 3: ODST'') is regarded as an isolated incident leading up to the Schism, whereas the conflict at large is considered to have begun with the Sangheili's banishment from the Honor Guard and the subsequent outbreak of all-out hostilities within High Charity and its fleets on November 2.}}
|result=Ongoing:
**Continues as the [[Sangheili-Jiralhanae war]]<ref name="The Return">'''[[Halo: Evolutions - Essential Tales of the Halo Universe]]''' "[[The Return]]" - '' "It was a terrible war. The Prophets provided the Brutes with powerful new weapons, hoping that they would in turn defend their Prophets against our wrath. But when the Prophets went into hiding, the lack of leadership allowed the Brutes to return to their savage nature and they soon began to fight against each other. This lack of solidarity made them much easier prey. Some of my fellow commanders continue that fight even now"''</ref>  
*Rapid dissolution and [[Covenant remnants|splintering]] of the [[Covenant]]
|place=[[Orion Arm]], [[Milky Way|Milky Way Galaxy]]
*Ongoing conflict between the [[Sangheili]] and factions of the [[Jiralhanae]]
|result='''Sangheili victory'''
|side1=[[Covenant]]
*Dissolution of the [[Covenant]]
*[[San'Shyuum]] reduced to an [[Extinction#Near-extinctions (Endangered species)|endangered species]]
*Ongoing conflict between the [[Sangheili]] and the [[Jiralhanae]]
|side1=
*{{Icon|Covenant FB}} '''[[Covenant]]'''
|side2=
|side2=
[[Swords of Sanghelios]] <br>
*{{Icon|Covenant FB}} '''[[Covenant separatists]]'''
[[Joyous Exultation alliance]] <br>
[[United Nations Space Command]]
|commanders1=
|commanders1=
[[Prophet of Truth|High Prophet of Truth]]† <br>
[[Prophet of Truth|High Prophet of Truth]]† <br>
[[Prophet of Mercy|High Prophet of Mercy]]† <br>
[[Prophet of Mercy|High Prophet of Mercy]]† <br>
[[Prophet of Regret|High Prophet of Regret]]† <br>
[[Prophet of Exquisite Devotion]]† <br>
[[Prophet of Exquisite Devotion]]† <br>
[[Chieftain of the Jiralhanae|Chieftain]] [[Tartarus]]† <br>
[[Chieftain of the Jiralhanae|Chieftain]] [[Tartarus]]† <br>
[[Jiralhanae Chieftain|Chieftain]] [[Gargantum]] <br>
[[Jiralhanae Chieftain|Chieftain]] [[Gargantum]] <br>
[[Jiralhanae Captain|Captain]] [[Melchus]]
[[Jiralhanae Captain|Captain]] [[Melchus]] <br>
|commanders2=
|commanders2=
[[Arbiter]] [[Thel 'Vadam]] <br>
[[Arbiter]] [[Thel 'Vadam]] <br>
[[Shipmaster]] [[Rtas 'Vadum]] <br>
[[Shipmaster]] [[Rtas 'Vadum]] <br>
[[Unidentified Shipmaster (Righteous Vigilance)|Unidentified Sangheili Shipmaster]]{{Ref/Reuse|The Return}} <br>
[[Fleet Master]] [[Voro Nar 'Mantakree]]† <br>
[[Fleet Master]] [[Voro Nar 'Mantakree]]† <br>
[[Imperial Admiral]] [[Xytan 'Jar Wattinree]]† <br>
[[Imperial Admiral]] [[Xytan 'Jar Wattinree]]† <br>
[[Terrence Hood|FADM Lord Terrence Hood]] <br>
[[Blademaster]] [[Vul 'Soran]]<br>
[[Miranda Keyes|LCDR Miranda Keyes]]† <br>
[[Fleetmaster]] [[Rojka 'Kasaan]]<br>
[[John-117|MCPO John-117]] <br>
[[Avery Johnson|Sergeant Major Avery Johnson]]†
|forces1=
|forces1=
*[[Covenant military]]
*[[Covenant military]]
**[[Truth's fleet|Prophet of Truth's fleet]]
**[[Truth's fleet|Prophet of Truth's fleet]]
**Jiralhanae-led [[High Charity defense fleet]]
**[[Fleet of Furious Redemption]]
*[[San'Shyuum]]
*[[Jiralhanae]]
*[[Yanme'e]]
*[[Kig-Yar]]
*Few [[Unggoy]]
*Few [[Mgalekgolo]]
*[[Huragok]] {{C|unwillingly}}
|forces2=
|forces2=
*[[Sangheilian armed forces]]<ref>[http://www.bungie.net/projects/halo3/content.aspx?link=h3plasmarifle '''Bungie.net''': ''Type-25 Directed Energy Rifle'']</ref>
*[[Fleet of Retribution]]
**[[Fleet of Retribution]]
*[[Fleet of Righteous Vigilance]]
*[[UNSC Defense Force]]
*[[Fleet of Recalcitrant Ire]]
*[[Joyous Exultation Covenant]]
**[[Combined Fleet of Righteous Purpose]]
**Sangheili-led [[Second Fleet of Homogeneous Clarity]]{{Ref/Book|Ghosts of Onyx|Chapter=27}}
*[[Sangheili]]
*Most of the [[Unggoy]]
*Most of the [[Mgalekgolo]]
*[[Huragok]]
|casual1=
|casual1=
*[[High Council]]
*Most San'Shyuum {{C|reduced to an [[Extinction#Near-extinctions (Endangered species)|endangered species]]}}
*[[Prophet of Mercy|High Prophet of Mercy]]
**[[Prophet of Mercy|High Prophet of Mercy]]
*[[Prophet of Truth|High Prophet of Truth]]
**[[Prophet of Truth|High Prophet of Truth]]
*[[Tartarus]]
*Many Jiralhanae
**[[Chieftain of the Jiralhanae]] [[Tartarus]]
*Many Yanme'e
*Many Kig-Yar
*Some Unggoy
*Few Mgalekgolo
|casual2=
|casual2=
*Fleet Master Voro Nar 'Mantakree
*Many Sangheili
*LCDR Miranda Keyes
**[[Fleet Master]] [[Voro Nar 'Mantakree]]
*SgtMaj Avery Johnson
**[[Imperial Admiral]] [[Xytan 'Jar Wattinree]]
}}
*Some Unggoy
{{Quote|This is the third vector of chaos.|[[Zo Resken]], former Prophet of Clarity to his [[Sangheili]] liberators<ref name="gl232">'''[[Halo: Broken Circle]]''', ''page 232''</ref>}}
*Some Mgalekgolo}}
{{Quote|By the Prophets... what have these Brutes done? They have shed our brothers' blood... and for that, they must die!|[[Sangheili]] on [[Installation 05]]}}{{Ref/Level|Id=Uprising|Halo 2|Level=Uprising}}


The '''Great Schism''',<ref name="GoO">'''[[Halo: Ghosts of Onyx]]''', ''page 240''</ref> also known as the '''Covenant Schism''',<ref name="GoO245">'''Halo: Ghosts of Onyx''', ''page 245''</ref> or the '''Great Betrayal''' among the [[Sangheili]],<ref>'''Halo: Evolutions''', ''The Return'', ''page 247''</ref> was a major conflict between the forces loyal to the [[Covenant]] and [[Swords of Sanghelios|the Arbiter's followers]], which split apart between [[2552|October 2552 and November 2552]]. During the Schism, three major factions fought for victory: [[human]]s and their Sangheili-led separatist allies; the remnants of the Covenant, led by the [[San'Shyuum]] and the [[Jiralhanae]]; and the [[Flood]], which took over the Covenant holy city of ''[[High Charity]]'' in an effort to assimilate the other warring factions. The Schism marked both the end of the Covenant and the partition of its client species for a thousand years.<ref name="GoO245"/>
The '''Great Schism''',{{Ref/Book|Id=GoO|Halo: Ghosts of Onyx|Page=240}} also known as the '''Covenant Schism''',{{Ref/Book|Id=GoO245|Halo: Ghosts of Onyx|Page=245}} was a major civil war between the forces loyal to the [[Covenant]] (led by the [[San'Shyuum]] and the [[Jiralhanae]]) against the [[Covenant separatists]] (the [[Sangheili]] and their followers), which split apart on [[2552#November|November 3, 2552]]. The [[High Prophet of Truth]] ordered the extermination of the entire Sangheili species,{{Ref/Reuse|TEVG}}{{Ref/Level|H2|Quarantine Zone}}{{Ref/Novel|GoO|Page=208}} forcing them out of the Covenant.{{Ref/Reuse|Elites}} Battles during the Schism took place all throughout Covenant space, most prominently on [[High Charity]], the heart of the alien empire. The [[Flood]] additionally played a tertiary role, when they took over the holy city in an effort to assimilate the other warring factions. The deciding battles were fought between the Sangheili [[Fleet of Retribution]] allied with the [[United Nations Space Command|UNSC]] against the [[High Prophet of Truth]] and his remnants of the Covenant on the [[Installation 00|Ark]]. The Schism marked both the end of the Covenant and the partition of its client species for a thousand years.{{Ref/Reuse|GoO245}} For the UNSC, it served as a major turning point that led to the [[Battle of Installation 00|end of the war]] after their [[Fall of Reach|disastrous defeat on Reach]].


==History==
The conflict went down in Sangheili history as the '''Great Betrayal''',<ref>'''Halo: Evolutions''', ''The Return'', ''page 247''</ref> its deep wounds continuing to stir animosity between their kind and the Jiralhanae for years to come.{{Ref/Reuse|The Return}}
===Background===
 
==Background==
{{Quote|no=two|1=Thel 'Vadamee|q1=We are strong, Kig-Yar. That is why we sit at the right hand of the Prophets.|2=Reth|q2=One day that shall pass.|3=Conversation between [[Reth]] and [[Thel 'Vadam]]ee in [[2535]]<ref>'''[[Halo: The Cole Protocol]]''', ''page 229''</ref>}}
{{Quote|no=two|1=Thel 'Vadamee|q1=We are strong, Kig-Yar. That is why we sit at the right hand of the Prophets.|2=Reth|q2=One day that shall pass.|3=Conversation between [[Reth]] and [[Thel 'Vadam]]ee in [[2535]]<ref>'''[[Halo: The Cole Protocol]]''', ''page 229''</ref>}}
Even long before the start of the Great Schism, the [[Prophet of Truth|High Prophet of Truth]] had plans of replacing the [[Sangheili]] with the [[Jiralhanae]], as he saw the latter as more willing and unquestioning pawns, while he distrusted the Sangheili, doubting their reliability and loyalty. However, he kept these schemes strictly to himself and waited until the time was right to implement them. After Truth learned the location of the [[Earth|human homeworld]], he secretly amassed [[Truth's fleet|a fleet]] of over five hundred warships, commanded entirely by Jiralhanae, at the command-and-control station ''[[Unyielding Hierophant]]''.<ref>'''[[Halo: First Strike]]''', ''page 297''</ref> In [[2552#September|September of 2552]], this station and the fleet [[Operation: FIRST STRIKE|were destroyed]] by a group of [[SPARTAN-II program|SPARTAN-IIs]] who learned of its purpose shortly before the invasion could commence.<ref>'''Halo: First Strike''', ''page 407''</ref> This put a temporary halt to Truth's plans.<ref name="oct20">'''[[Halo Waypoint]]''', ''"Ten Twenty" history article''</ref>
[[File:H2A Terminals - Sangheili surrender.png|250px|thumb|left|The Sangheili threatened San'Shyuum power,{{Ref/Reuse|challenger}} while the Jiralhanae threatened Sangheili power.{{Ref/Reuse|Conversations}}]]
For centuries over the course of the [[history of the Covenant]], various high ranking [[Sangheili]] with great influence would use their power to ask questions, eventually coming close to discovering the truth about the [[Forerunner]]s.{{Ref/Reuse|challenger}} Discovering such a truth would falsify the [[Covenant religion]] and shatter the empire along with its power structure. As such, the [[San'Shyuum]] [[High Prophet]]s perceived these influential Sangheili as a threat to their authority, and would send them on suicidal missions decorated under the honorary guise of [[Arbiter]]s to discretely remove their threatening presence.{{Ref/Game|Id=challenger|Halo 2: Anniversary|Part=[[Terminal (Halo 2: Anniversary)|Terminal 11]]|Quote=In some cases, that influence was already being used to question the decisions of your Hierarchs. In fact, that very questioning often gave rise to the charges of heresy that so neatly removed the challenger from the Hierarchs' concern.}}
 
With this history of troublesome influential Sangheili well documented among the High Prophets, the threat the Sangheili posed was made even more apparent during the [[Human-Covenant War]] in [[2552]], when [[Sesa 'Refumee's heretic faction]] spread information about the [[Covenant religion#Great Journey|Great Journey]] being false.{{Ref/Game|Halo 2|Quote=Our Prophets are false! Open your eyes, my brothers! They would use the faith of our forefathers to bring ruin to us all! The Great Journey is a-}} Intending to prevent the Covenant from falling apart and losing power, the [[Prophet of Truth|High Prophet of Truth]] secretly made plans to eject the entire Sangheili species from the hegemony, viewing them as untrustworthy and doubting their reliability and loyalty. As the war had waged on, some Sangheili questioned the need to exterminate [[humanity]] instead of welcoming them into the Covenant, given humanity's strength as a tenacious species and occasional displays of honor.{{Ref/Book|Cole Protocol|Page=247}}{{Ref/Game|Halo 2|Part=[[Conversations from the Universe]]: [[Conversations from the Universe#Elite Conversation|Elite Conversation]]}} This changing attitude towards mankind who were deemed [[heretic]]al along with the faliure to [[Battle of Installation 04|safeguard]] a holy [[Alpha Halo|"Sacred Ring"]], further perpetuated San'Shyuum distrust toward the Sangheili.
 
The High Prophet of Truth plotted to eventually replace the Sangheili with the [[Jiralhanae]], as he saw the latter as more willing and unquestioning pawns. Ever since the Jiralhanae's integration in [[2492]], their dominating physicality and aggressive behavior was perceived as a threat by the Sangheili to their superior status in the Covenant hierarchy.<ref name="Conversations">[[Conversations from the Universe]]: [[Conversations from the Universe#Grunt Conversation|Grunt Conversation]] "And you have ears, you've heard the disrespect the Jiralhanae show the Sangheili. They hate each other. The Sangheili have lived too long under the shelter of the Covenant as the strongest of us. The Jiralhanae come stomping along and suddenly it's not so simple as it was."</ref> In turn, the Sangheili treated the Jiralhanae poorly and oppressed them, to keep them in line.<ref>[http://www.gamespot.com/articles/halo-wars-2-new-character-images-and-details-revea/1100-6442098/?ftag=GSS-05-10aaa0b '''Gamestop''': ''Halo Wars 2: New Character Images and Details Revealed''] - "Decimus still harbors some resentment against the Elites under Atriox's banner due to how Elites treated the Brutes during the time of the Covenant"</ref> Competition for dominance in the Covenant military and hatred festered between the two species,{{Ref/Reuse|Conversations}} though the Sangheili maintained their authority and power as a founding race.<ref>[[Bestiarum]] "The Sangheili are, simply put, technological and societal equals of the Prophets yet, for a significant period, found themselves as the dominant military muscle for the entire Covenant structure"</ref> Feeding off of their societal rivalry, Truth knew that the Jiralhanae would be more than happy to replace the Sangheili as the Covenant's military leaders. He had appointed [[Tartarus]], a loyal Jiralhanae, to the position of [[Chieftain of the Jiralhanae]] who would help him execute his plan. Truth kept these schemes to himself and waited until the time was right to implement them.
 
===Secret preparations===
After the [[High Prophet of Truth]] learned the location of the [[Earth|human homeworld]], he secretly amassed [[Truth's fleet|a fleet]] of over five hundred warships, commanded entirely by Jiralhanae, at the Covenant's command-and-control station ''[[Unyielding Hierophant]]''.<ref>'''[[Halo: First Strike]]''', ''page 297''</ref> In [[2552#September|September 2552]], this station and the fleet [[Operation: FIRST STRIKE|were destroyed]] by [[SPARTAN-II program|Spartan-II]] [[Blue Team]] who learned of its purpose shortly before the invasion could commence.<ref>'''Halo: First Strike''', ''page 407''</ref> This put a temporary halt to Truth's plans to replace the Sangheili with the Jiralhanae.<ref name="oct20">'''[[Halo Waypoint]]''', ''"Ten Twenty" history article''</ref>
 
At some point, the Prophet of Truth also commissioned the creation of [[Drekar]] ships to be used by the Jiralhanae against the Sangheili.{{Ref/Book|Id=Enc22|Enc22|Page=461}}
 
[[File:H3ODST FamilyFeud.jpg|thumb|left|250px|[[Edward Buck]] comes across the aftermath of an early skirmish between Sangheili and Jiralhanae during the [[Battle of Mombasa]].]]
A month later on October 20, the [[Prophet of Regret|High Prophet of Regret]] made a move the High Prophet of Truth did not expect. Having discovered a significant [[Forerunner]] [[Portal at Voi|artifact]] on a planet called "Erde-Tyrene" all by himself, but unaware of the fact it was humanity's homeworld known as Earth, Regret took [[Fleet of Sacred Consecration|his fleet]] of only fifteen ships and rushed to "Erde-Tyrene" to investigate it.{{Ref/Reuse|oct20}} Immediately after Truth learned of this, he sent the remnants of the fleet he had amassed, to Earth as well. Truth gave his Jiralhanae troops orders to forcibly overtake the Sangheili in command of the remaining forces on and above Earth.


On October 20, the [[Prophet of Regret|High Prophet of Regret]] made a move Truth did not expect: having discovered a significant [[Forerunner]] [[Portal at Voi|artifact]] on Earth on his own, but unaware of the fact it was humanity's homeworld, he took [[Fleet of Sacred Consecration|a fleet]] of fifteen ships to Earth.<ref name="oct20"/> Immediately after Truth learned of this, he sent the remnants of the fleet he had amassed to Earth; he gave his Jiralhanae troops orders to forcibly overtake the Sangheili in command of the remaining forces on and above Earth. When Regret retreated from Earth, his Sangheili-led ships in orbit continued to engage the [[United Nations Space Command|UNSC]], but now without a leader. Only moments after, the Jiralhanae forces within the fleet and on the ground killed any remaining Sangheili,<ref name="odst">'''[[Halo 3: ODST]]''', campaign level ''[[Coastal Highway]]''</ref> as Truth had ordered. They continued to hold [[New Mombasa]] until the reinforcements sent by Truth arrived. As ''[[High Charity]]'' and the rest of the [[Covenant fleet]] were now on their way to the newly discovered [[Halo Array|Halo]] [[Installation 05]], Truth's scheme remained secret from the rest of the Covenant. Regret, who would arrive at Delta Halo weeks before ''High Charity'' and the rest of the Covenant, would serve yet another purpose for Truth: the final stage in Truth's plan.<ref name="oct20"/>
To Regret's surprise, he was invading the human homeworld, resulting in a [[Battle of Mombasa|massive battle]] forcing him to flee. When Regret retreated from Earth, his Sangheili-led ships in orbit and ground forces continued to engage the [[United Nations Space Command]] without his leadership.  


Moments after, the Jiralhanae forces within the fleet and on the ground discretely killed all remaining Sangheili on Earth,<ref name="odst">'''[[Halo 3: ODST]]''', campaign level ''[[Coastal Highway]]''</ref> as Truth had ordered. [[Vero 'Ahtulai]] was one among many of these Sangheili victims. They took over the Sangheili's duties to occupy the human city of [[New Mombasa]], until more Jiralhanae reinforcements sent by Truth arrived. As ''[[High Charity]]'' and the rest of the [[Covenant fleet]] were on their way to the newly discovered [[Halo Array|Halo]] [[Installation 05]], Delta Halo, the murder of these Sangheili ground forces remained secret from the rest of the Covenant.
Regret arrived at Delta Halo weeks before ''High Charity'' and the rest of the Covenant, and indirectly served yet another purpose for Truth plan: to scapegoat the Sangheili.{{Ref/Reuse|oct20}} With the arrival of the {{UNSCShip|In Amber Clad}} commanded by [[Commander]] [[Miranda Keyes]] on Delta Halo, the UNSC managed to [[Assassination of the Prophet of Regret|assassinate the Prophet of Regret]] in a temple on the Halo ring after they got the intel they needed, with [[Spartan-II|Spartan]] [[John-117]] carrying out this task.
===The Changing of the Guard===
{{Main|Changing of the Guard}}
[[File:H2A Beamish cameo.jpg|thumb|250px|Kig-Yar and Unggoy protest on High Charity.]]
After the High Prophet of Regret was killed by the [[John-117|Demon]] on [[2552#November|November 2, 2552]], the two remaining [[Hierarchs]] reorganized Covenant society. Claiming that the Sangheili could no longer protect the Prophets due to Regret's death, the High Prophet of Truth publicly replaced the Sangheili with the Jiralhanae as the Prophets' [[Honor Guard|protectors]]. Much to their dismay, all [[Sangheili Honor Guardsman|Sangheili Honor Guardsmen]] were ordered to give away their armor and weapons to the new [[Jiralhanae Honor Guardsman|Jiralhanae Honor Guardsmen]]. The Sangheili viewed this as a violation of the principle that the Covenant had been founded upon and threatened to resign from the Covenant.<ref name="icon">'''[[Halo 2]]''', campaign level ''[[Sacred Icon]]''</ref> [[Special Operations Commander]] [[Rtas 'Vadumee]] relayed this warning from the [[Sangheili High Councilor]]s to Truth, who attempted to comfort the situation by calling it a mere "exchange of hats". Several Unggoy and Kig-Yar would join in protest against this change as well.{{Ref/Level|H2|[[Gravemind (level)]]}}
The High Prophet of Truth further demoted the Sangheili by giving command of their fleets to the Jiralhanae, including the [[Fleet of Profound Solitude]], [[Fleet of Tranquil Composure]] and [[Fleet of Inner Knowledge]].{{Ref/Reuse|HWTimeline}} Many Sangheili [[Shipmaster]]s and [[Fleetmaster]]s would be replaced with new Jiralhanae commanders. Truth allocated more loyal forces to his disposal by pardoning and releasing all Jiralhanae prisoners, while publicly framing it as a celebration for the species newly elevated status in Covenant society.<ref name="HWTimeline">'''[[Halo Wars]]''', ''[[Halo Wars Timeline Events|Timeline]]''</ref>
The Sangheili found these changes to be deeply humiliating, as founding members of the Covenant they were insulted to see their societal status quickly becoming relegated below the Jiralhanae.<ref>[http://www.gamespot.com/articles/halo-wars-2-new-character-images-and-details-revea/1100-6442098/?ftag=GSS-05-10aaa0b '''Gamestop''': ''Halo Wars 2: New Character Images and Details Revealed''] - "This arrangement was deeply unpleasant for the Shipmaster, especially since Elites were used to lording over the Brutes during the time of the Covenant..."</ref>
==War==
===Conflict erupts===
===Conflict erupts===
[[File:H2A Beamish cameo.jpg|thumb|250px|Kig-Yar and Unggoy protest on ''High Charity''.]]
{{Quote|The Great Schism is upon us. The unbreakable Covenant [[Writ of Union]] has been split asunder. This is the end of the Ninth, and final, [[Ages of Reclamation|Age]].|Xytan 'Jar Wattinree{{Ref/Reuse|GoO}}}}
{{Quote|The Great Schism is upon us. The unbreakable Covenant [[Writ of Union]] has been split asunder. This is the end of the Ninth, and final, [[Ages of Reclamation|Age]].|Xytan 'Jar Wattinree<ref name="GoO"/>}}
[[File:H2A Terminals - Murder of the Councilors.jpg|thumb|300px|left|The massacre of the Sangheili High Councilors.]]
After the Prophet of Regret was killed by [[SPARTAN-II program|Spartan]] [[John-117]] on November 2, the two remaining [[Hierarchs]] reorganized Covenant society. Claiming that the Sangheili could no longer protect the Prophets due to Regret's death, they replaced the Sangheili with the Jiralhanae as the Prophets' [[Covenant Honor Guard|protectors]]. The Sangheili viewed this as a violation of the principle that the Covenant had been founded upon and threatened to resign from the [[High Council]].<ref name="icon">'''[[Halo 2]]''', campaign level ''[[Sacred Icon]]''</ref>
The High Prophet of Truth predicted that the High Council would elect a new Hierarch to replace Regret, and so he made his move to eliminate the [[Sangheili Councilor|Sangheili High Councilors]] to prevent another moderate Prophet from being elected.<ref>[https://www.halowaypoint.com/en-us/universe/factions/high-council '''Halo Waypoint''': ''High Council'']</ref> Once enough Jiralhanae were in place, Truth instigated a pogrom by ordering the assassination of all Sangheili Councilors.<ref name="uprising">'''Halo 2''', campaign level ''[[Uprising]]''</ref> Many Sangheili High Councilors and former Honor Guards were ordered to meet in the [[Control Room (Installation 05)|Control Room]] of [[Installation 05]] to begin preparing for the [[Covenant religion#Great Journey|Great Journey]]. However, [[Jiralhanae Captain]] [[Melchus]] arrived at the Control Room, with a large heavily armed contingent of Jiralhanae, and proceeded to massacre the Councilors and former guardsmen.<ref>'''Halo: Broken Circle''', ''pages 219-222'' (Google Play edition)</ref> All Sangheili in the room were killed except for [[G'torik 'Klemmee]] who survived a deadly fall and later escaped, the rest were smashed into bloody pieces by [[Gravity hammer (fiction)|gravity hammer]]s. Concurrently, [[Chieftain of the Jiralhanae]] [[Tartarus]] and his guards attempted to kill [[Arbiter]] [[Thel 'Vadamee]] in the [[Library]], seizing the [[Index]] and knocking him into a deep pit, as ordered by Truth. This would spark the start of the Great Schism.


[[File:H2A Terminals - Murder of the Councilors.jpg|thumb|250px|left|The death of the Sangheili High Councilors.]]
Word of the massacred Sangheili Councilors immediately spread and was perceived as an insurrection against the Covenant to the Sangheili. The Jiralhanae and other loyalists were led to believe it was a Sangheili revolt, rejecting the Jiralhanae's newly elevated status,{{Ref/Book|Halo Envoy}} and were ordered to exterminate the entire Sangheili species and kill all of them on sight.{{Ref/Book|Id=TEVG|Halo: The Essential Visual Guide|Page=25|Quote=...when the High Prophet of Truth appointed the Brutes for his own security, proclaiming the Elites to be heretics deserving extermination.}} After the slaughter of the Councilors, war and violence broke out on High Charity, with the two sides polarizing quickly. Video messages of the various massacres were sent to all Sangheili forces,<ref>[[Halo: Evolutions]] [[The Return]] (Motion Comic) - "We were scouting for humans when the message came in. I could not comprehend what I was seeing. Our betrayal by the Prophets. The Slaughter of our leaders."</ref> resulting in the entire species learning that they had been forced out of the Covenant.{{Ref/Site|Id=Elites|URL=https://www.halowaypoint.com/en-us/universe/species/jiralhanae|Site=Halo Waypoint|Page=Universe: Jiralhanae|LocalArchive=https://web.archive.org/web/20151124211139/https://www.halowaypoint.com/en-us/universe/species/jiralhanae|Quote=The resulting conflict would be called the Great Schism, and it would divide the Covenant into two, ultimately forcing the Sangheili out.}} The ships within the [[High Charity defense fleet]] began shooting each other down while gunfire erupted aboard the interior of High Charity. At the front lines of the conflict, the species of the Covenant took distinct sides. Those who followed the High Prophets included all San'Shyuum and Jiralhanae (with a [[Zo Resken|few]] [[Piety|exceptions]]),<ref>'''Halo: Glasslands''', ''page 55''</ref><ref>'''Halo: Broken Circle'''</ref> many [[Kig-Yar]] and [[Yanme'e]], some Unggoy, and a few Mgalekgolo. The forces allied with all the Sangheili consisted of many Mgalekgolo, Unggoy and [[Huragok]].<ref>'''Halo: Evolutions''', "[[Wages of Sin]]", ''page 509''</ref>
However, Truth further demoted the Sangheili by giving command of their fleets to the Jiralhanae. Once enough Jiralhanae were in place, Truth instigated a pogrom by secretly ordering the assassination of many [[Sangheili Councilor]]s.<ref name="uprising">'''Halo 2''', campaign level ''[[Uprising]]''</ref> Many Sangheili High Councilors and former Honor Guards were ordered to meet in the [[Control Room (Installation 05)|Control Room]] of Installation 05 to begin preparing for the [[Covenant religion#Great Journey|Great Journey]]. However, [[Jiralhanae Captain]] [[Melchus]] arrived at the Control Room with a large, heavily-armed contingent of Jiralhanae and proceeded to massacre the Councilors and former guardsmen.<ref>'''Halo: Broken Circle''', ''pages 219-222''</ref> Truth also freed all Jiralhanae prisoners and pardoned them after release.<ref>'''[[Halo Wars]]''', ''[[Halo Wars Timeline Events|Timeline]]''</ref> This was perceived as an insurrection against the Covenant to the Sangheili, as well as many [[Mgalekgolo]] and [[Unggoy]]. Loyalist factions were led to believe it was a Sangheili revolt. After the assassination of the Councilors, war broke out on ''High Charity'', with the two sides polarizing quickly. However, this was at first a debate over orthodoxy and leadership. The true split occurred when the Sangheili discovered the truth about the Halos and the Great Journey. Their disillusionment changed their goal from reforming the purity of the Covenant to actively fighting against it the following day. Around this time, Truth left the [[Prophet of Mercy]] to die at the hands of the [[Flood]], solidifying his place as the autocrat of the Covenant.<ref name="gravemind">'''Halo 2''', campaign level ''[[Gravemind (level)|Gravemind]]''</ref>


At the front lines of the original conflict aboard ''High Charity'', the species of the Covenant took distinct sides. Covenant loyalists followed the San'Shyuum and included all but a few Jiralhanae,<ref>'''Halo: Glasslands''', ''page 55''</ref> most [[Kig-Yar]] and [[Yanme'e]], some Unggoy, and a minority of the Mgalekgolo. Separatists' forces consisted of the Sangheili and many Mgalekgolo, Unggoy and [[Huragok]].
[[File:H2A-Brutes vs Elites.jpg|300px|thumb|Former Sangheili Honor Guards fight with the Jiralhanae on High Charity.]]
The [[Prophet of Exquisite Devotion]] who had been torturing Sangheili, discovered that the [[Zo Resken|Prophet of Clarity]] was attempting to aid them. Devotion then attempted to have Clarity executed for [[heresy|treason]]. However, a group of Sangheili led by G'torik 'Klemmee arrived and rescued the Prophet of Clarity—killing Exquisite Devotion in the process.<ref>'''Halo: Broken Circle''', ''page 242''</ref>  After the Sangheili-led and Jiralhanae-led forces fought each other in High Charity for several hours, [[Flood]] infected [[Pelican]]s eventually crashed into the holy city, spreading the parasite. Around this time, the High Prophet of Truth left the [[High Prophet of Mercy]] to die at the hands of the Flood, solidifying his place as the autocrat of the Covenant.<ref name="gravemind">'''Halo 2''', campaign level ''[[Gravemind (level)|Gravemind]]''</ref> The chaos was further intensified when Truth abandoned High Charity in the [[Anodyne Spirit|Forerunner Dreadnought]] on a journey to [[Earth]], disconnecting it from the grid, leaving the entire city in the dark without power amongst the Flood. Clarity, 'Klemmee, and the rest of their small group would later escape High Charity aboard a stolen supply ship, ''[[Journey's Sustenance]]''.<ref>'''Halo: Broken Circle''', ''page 250''</ref> High Charity fell to the Flood, leaving the Covenant without a capital and the dying San'Shyuum without a homeworld. Sangheili ships attempted to quarantine the region of space around High Charity, preventing any possibly infected ships from leaving, while also shooting down enemy Jiralhanae ships.


[[Chol Von]], a [[T'vaoan]] [[Shipmaster|shipmistress]], renamed her [[missionary ship]] ''[[Paragon|Joyous Discovery]]'' as ''Paragon'' at some point of the Great Schism.<ref name="md141">'''[[Halo: Mortal Dictata]]''', ''page 141''</ref> During the Schism, she captured a [[Phantom]], killing two [[Sangheili]] in the process.<ref>'''Halo: Mortal Dictata''', ''page 73''</ref> After discovering that the [[Zo Resken|Prophet of Clarity]] was attempting to aid the Sangheili, the [[Prophet of Exquisite Devotion]] attempted to have him executed for treason. However, a group of Sangheili led by [[G'torik 'Klemmee]] arrived and rescued the Prophet of Clarity—resulting in the death of Exquisite Devotion in the process.<ref>'''Halo: Broken Circle''', ''page 242''</ref> The group would later escape ''High Charity'' aboard a stolen supply ship, ''[[Journey's Sustenance]]''.<ref>'''Halo: Broken Circle''', ''page 250''</ref>
===Broadening conflict===
Conflict occurred all across Covenant space, including from within [[Covenant starship|ships]] themselves. Notably, one [[Unidentified Shipmaster (Righteous Vigilance)|Sangheili Shipmaster]] grabbed the [[Prophet of Conviction|Prophet]] aboard his ship, having barged into his cabin, and executed him before the rest of the crew. [[Chol Von]], a [[T'vaoan]] [[Shipmaster|shipmistress]], captured a [[Phantom]], killing two [[Sangheili]] in the process.<ref>'''Halo: Mortal Dictata''', ''page 73''</ref>  She renamed her [[missionary ship]] ''[[Paragon|Joyous Discovery]]'' as ''Paragon''.<ref name="md141">'''[[Halo: Mortal Dictata]]''', ''page 141''</ref>
 
Covenant ships in orbit above both [[Tribute]]{{Ref/Site|URL=https://www.halowaypoint.com/en-us/universe/locations/tribute|Site=Halo Waypoint|Page=Tribute}} and [[Reach]] would begin firing at one another.{{Ref/Book|Enc22|Page=43}}
 
The civil war was at first a conflict over orthodoxy and leadership, as [[Imperial Admiral]] [[Xytan 'Jar Wattinree]] summoned many Sangheili to [[Joyous Exultation]] in a plot to wipe out the Jiralhanae. However, a revelation among the Sangheili occurred when Thel 'Vadam's [[Fleet of Retribution|contingent]] discovered the truth that the Halos would kill all life in the galaxy and that the Great Journey was a lie, from both the [[Gravemind]] and [[343 Guilty Spark]]. Their disillusionment changed their goal from reforming the purity of the Covenant to actively standing against the [[Covenant religion]] the following day. Wattinree's separatist forces would be destroyed in the meantime in the accidental [[NOVA bomb]]ing of Joyous Exultation and the [[Onyx Conflict]].


===Sangheili-human alliance===
===Sangheili-human alliance===
The shaky alliance between the separatists and their former foes, the [[human]]s, was forged entirely out of necessity. Both sides had two common enemies that wished for their extinction: the Covenant and the Flood. This alliance of circumstance was forged in the [[Control Room (Installation 05)|control room of Installation 05]], when [[Avery Johnson|Sergeant Major Avery Johnson]] and [[Arbiter]] [[Thel 'Vadam]]ee united to prevent the [[Chieftain of the Jiralhanae]], [[Tartarus]], from activating Delta Halo and firing the Halo Array.<ref name="journey">'''Halo 2''', campaign level ''[[The Great Journey]]''</ref> The Arbiter persuaded many Sangheili—though far from all of them—to ally with the humans.<ref>'''Halo: Glasslands''', ''page 159''</ref>
[[File:HLC The Great Schism.jpg|250px|thumb|left|One of the Sangheili leaders, [[Arbiter]] [[Thel 'Vadam]], duels against the Jiralhanae leader [[Tartarus]].]]
On [[Installation 05]], [[Avery Johnson|Sergeant Major Avery Johnson's]] [[Marine]]s met [[Arbiter]] [[Thel 'Vadam|Thel 'Vadam's]] forces and united to prevent the [[Chieftain of the Jiralhanae]], [[Tartarus]], from activating Delta Halo and firing the Halo Array.{{Ref/Level|Id=journey|H2|[[The Great Journey]]}} The Arbiter fought Tartarus face to face, while Johnson picked away at the Jiralhanae's shields with a [[beam rifle]] from afar. After killing Tartarus, the Arbiter solidified this alliance of circumstance by bringing in all local Sangheili forces to side with Commander [[Miranda Keyes]] and the UNSC. A shaky alliance between these Sangheili and their former foes, the [[human]]s, was forged out of necessity and revenge against the Covenant to some extent.{{Ref/Level|H3|[[The Covenant (level)|The Covenant]]|Quote=I will have my revenge on a Prophet, not a plague!}} Both sides had two common enemies that wished for their extinction: the Covenant and the Flood. Meanwhile, [[Rtas 'Vadum]] led a strike team of Sangheili to capture the ''[[Shadow of Intent]]'' from the Jiralhanae as a flagship for their local forces, forming the [[Fleet of Retribution]].


On November 17, the devastated [[UNSC Home Fleet]] attempted a last-ditch assault on the Prophet of Truth's [[Forerunner Dreadnought]], which had integrated with [[Portal at Voi|the Forerunner artifact]] that Regret had discovered nearly a month prior. This attack failed and a [[Unidentified Flood-captured battlecruiser|Flood-controlled battlecruiser]] crashed in [[Voi]] only moments after Truth's fleet entered the [[Slipspace portal|portal]] generated by the artifact.<ref>'''[[Halo 3]]''', campaign level ''[[The Storm]]''</ref> However, the separatist [[Fleet of Retribution]], led by [[Shipmaster]] [[Rtas 'Vadum]], arrived in pursuit of the cruiser; as the fleet glassed the city and its environs, the Sangheili and UNSC agreed to follow Truth beyond the portal.<ref name="floodgate">'''Halo 3''', campaign level ''[[Floodgate]]''</ref>
The Fleet of Retribution stayed behind on Delta Halo to quarantine the Flood outbreak by [[glassing]] the surface, while the Arbiter joined the UNSC forces back to Earth to chase the High Prophet of Truth. Truth was excavating [[Portal at Voi|the Forerunner artifact]] on Earth that Regret had discovered nearly a month prior and was seeking to use it to travel to the Ark to fire all the Halo rings. Weeks later on November 17, the devastated [[UNSC Home Fleet]] attempted a last-ditch assault on Truth's Forerunner Dreadnought, which had integrated with the portal artifact. This attack failed while a [[Indulgence of Conviction|Flood-controlled battlecruiser]] crashed in [[Voi]] only moments after Truth's Dreadnaught and the rest of his fleet entered the [[Slipspace portal|portal]] generated by the artifact.<ref>'''[[Halo 3]]''', campaign level ''[[The Storm]]''</ref>  
 
The Sangheili [[Fleet of Retribution]], led by [[Shipmaster]] [[Rtas 'Vadum]], arrived at Earth in pursuit of the Flood infested cruiser. Several Sangheili were deployed to assist the UNSC forces in containing the Flood in Voi from spreading across the entire planet. After the allied forces were airborne, the Fleet of Retribution glassed the city and its environs under the order of Shipmaster 'Vadum, Arbiter Thel 'Vadam had persuaded him that only glassing the local area was necessary as opposed to the whole planet. This led to a debate between Shipmaster 'Vadum and [[Fleet Admiral]] [[Lord Terrence Hood]]. The Sangheili and Commander Miranda Keyes' forces agreed to follow Truth to the Ark beyond the portal.<ref name="floodgate">'''Halo 3''', campaign level ''[[Floodgate]]''</ref>{{clear}}


====The Ark====
====The Ark====
[[File:TruthDeath-large.jpg|thumb|250px|The death of the Prophet of Truth.]]
[[File:TruthDeath-large.jpg|thumb|250px|The death of the Prophet of Truth.]]
The joint Sangheili-UNSC fleet arrived at the Halo Array's control center, [[Installation 00]], on December 11. During the [[Battle of Installation 00|ensuing battle]], the separatist fleet completely destroyed their Covenant counterpart, despite the latter's three-to-one numerical superiority.<ref name="ark">'''Halo 3''', campaign level ''[[The Ark (level)|The Ark]]''</ref> Separatist forces later helped SPARTAN-117 disable the shield generators protecting the installation's [[Installation 00 Citadel|Citadel]], in which the Prophet of Truth was hiding. Master Chief John-117 and Arbiter Thel 'Vadam entered the Citadel and fought through what remained of Truth's personal guard. After reaching the control panel they discovered that the Hierarch had been infected by the Flood; as the Prophet slipped in and out of lucidity, 'Vadam stabbed him in the back.<ref name="cove">'''Halo 3''', campaign level ''[[The Covenant (level)|The Covenant]]''</ref> The Flood-controlled ''High Charity'' was destroyed shortly thereafter,<ref name="cortana">'''Halo 3''', campaign level ''[[Cortana (level)|Cortana]]''</ref> effectively dissolving the Covenant.
The joint Sangheili-UNSC fleet arrived at the Halo Array's control center, [[Ark]] [[Installation 00]], on December 11 where they engaged [[Truth's fleet]]. During the [[Battle of Installation 00|ensuing conflict]], the Fleet of Retribution completely destroyed their Jiralhanae counterpart in the space battle, despite the latter's three-to-one numerical superiority.<ref name="ark">'''Halo 3''', campaign level ''[[The Ark (level)|The Ark]]''</ref>  


Shipmaster 'Vadum evacuated the remaining separatist and human forces after the holy city's destruction. Seemingly, only his flagship, ''[[Shadow of Intent]]'', remained. Any remaining Covenant forces were killed when Halo [[Installation 04B]] was activated and the Ark was severely damaged by the debris; the activation also ended the immediate threat of the Flood. The Master Chief, the Arbiter, and the AI [[Cortana]] had escaped on the frigate {{UNSCShip|Forward Unto Dawn}}, which was split in half when their escape portal closed too early.<ref name="h3 halo">'''Halo 3''', campaign level ''[[Halo (Halo 3 level)|Halo]]''</ref>
Sangheili ground forces were later deployed to the [[Battle of the Citadel|final battle]] of the war, riding in green colored {{Pattern|Ru'swum|Phantom}}s to match the UNSC, and helped Spartan John-117 disable the shield generators protecting the installation's [[Installation 00 Citadel|Citadel]] where the High Prophet of Truth was hiding. As the Sangheili forces killed many Jiralhanae, John-117 and Arbiter Thel 'Vadam entered the Citadel and fought through what remained of Truth's personal guard. Truth desperately communicated holographic messages to his followers, blaming the [[Sangheili|heretics]] and the parasite. After reaching the control panel the Arbiter discovered that the Hierarch had been infected by the Flood; as the High Prophet slipped in and out of lucidity, 'Vadam exchanged a few words with him before stabbing him through the back with his [[Energy Sword]].<ref name="cove">'''Halo 3''', campaign level ''[[The Covenant (level)|The Covenant]]''</ref> The High Prophet of Truth and his forces were dead, effectively dissolving the Covenant.


====After the Human-Covenant War====
With the war over, Shipmaster 'Vadum evacuated the remaining Sangheili and human forces aboard his flagship, the ''[[Shadow of Intent]]'', and left Master Chief John-117 and the Arbiter behind to deal with the Flood at their request. Any remaining Covenant forces were presumed to be killed when Halo [[Installation 08]] was activated and the Ark was severely damaged by the debris; though a few remnants held out in the ''[[Anodyne Spirit]]'' and had miraculously managed survived even years after the war.{{Ref/Book|[[Sacrifice]]}} The firing of the incomplete ring had also ended the threat of the Flood. The Master Chief, the Arbiter, and the AI [[Cortana]] had escaped on the frigate {{UNSCShip|Forward Unto Dawn}}, which was split in half when their escape portal closed too early.<ref name="h3 halo">'''Halo 3''', campaign level ''[[Halo (Halo 3 level)|Halo]]''</ref>
[[File:Schism_3.png|thumb|250px|A group of Sangheili charge towards Jiralhanae defenses.]]
{{Main|Post-Covenant War conflicts|Sangheili civil war}}
Though 'Vadam sought a lasting peace with humanity, many of the Sangheili were not willing to suddenly end their war with the humans. Many Sangheili insurgents, rallied together by the [[Servants of the Abiding Truth]], incited [[Sangheili civil war|war]] against the Arbiter and his allies for collaborating with humanity.<ref>'''[[Halo: The Thursday War]]'''</ref> [[Jul 'Mdama]], a former member of the Servants of the Abiding Truth, eventually formed his own [[Jul 'Mdama's Covenant faction|revival of the Covenant]], with the Sangheili again serving as its leadership caste.<ref>'''Halo: The Thursday War''', ''page 441''</ref>


With Truth dead, ''High Charity'' destroyed, and the Ark heavily damaged after Installation 04B's firing, some of the remaining Jiralhanae forces tried to rebuild their tattered strength to continue their war of conquest.<ref>'''Halo 3''', multiplayer level ''[[Assembly (level)|Assembly]]''</ref> Even though the Jiralhanae eventually collapsed into various civil wars, they still posed enough of a threat that Sangheili commanders kept up the offensive against them for at least another six years, even as they continued to lose irreplaceable warships and the war continued with no end in sight.<ref name="Evolutions"/>
==Aftermath==
===Continuation of hostilities===
[[File:Escalation schism.png|thumb|200px|left|An Elite fights against a Brute raiding his settlement.]]
{{Main|Sangheili-Jiralhanae war}}


The Covenant had strategically settled Jiralhanae populations on resource-rich worlds as a planetary garrison force to protect the worlds from potential raids. While the Jiralhanae continued to inhabit these worlds after the dissolution of the Covenant, they were unable to mine or utilize the resources because of their own lack of sufficient technology. With the Covenant's supply chains gone, the Jiralhanae quickly found their supplies near depletion. This was one of the primary reasons for their raids on Sangheili colonies after the war; despite quite literally living on top of plentiful resources, the Jiralhanae were entirely dependent on the already processed supplies of other races due to their technological backwardness. However, the Jiralhanae could not sustain themselves via raiding alone in the long term and their supplies began to wear thin, leading to an impending species-wide famine in [[2558]] and an increase in Jiralhanae attacks across Sangheili and [[Kig-Yar]] colonies as a result. During this crisis, the [[Jiralhanae Chieftain]] [[Lydus]] was willing to initiate peace talks with the Arbiter and the UNSC.<ref name="escalation1">'''[[Halo: Escalation]]''', ''[[Halo: Escalation Issue 1|Issue #1]]''</ref> However, the negotiations were interrupted by Covenant mercenaries hired by the [[New Colonial Alliance]].<ref name="HE5">'''Halo: Escalation''', ''[[Halo: Escalation Issue 5|Issue #5]]''</ref>
With Truth dead, High Charity destroyed, and the Ark heavily damaged after Installation 08's firing, some of the remaining [[Jiralhanae]] forces tried to rebuild their tattered strength to continue their war of conquest.<ref>'''Halo 3''', multiplayer level ''[[Assembly]]''</ref> The [[San'Shyuum]] eventually abandoned them to hide from the vengeful wrath of the [[Sangheili]],  as the Jiralhanae collapsed into various civil wars. The Jiralhanae resorted to raiding Sangheili settlements, plundering resources for survival. Some Sangheili commanders kept up the offensive against them for at least another six years, even as they continued to lose irreplaceable warships and the war continued with no end in sight.{{Ref/Reuse|The Return}}
{{Clear}}
 
{{clear}}


==Timeline==
==Timeline==
Line 99: Line 157:
'''September 22:'''
'''September 22:'''
*[[Installation 04]] is destroyed by [[United Nations Space Command|UNSC]] forces. Its [[monitor]], [[343 Guilty Spark]], escapes to [[Threshold]]. The [[Fleet of Particular Justice]] is damaged. The fleet's secondary flagship, the ''[[Ascendant Justice]]'', is captured by humans.<ref>'''Halo: First Strike''', ''page 96'' (2010 edition)</ref>
*[[Installation 04]] is destroyed by [[United Nations Space Command|UNSC]] forces. Its [[monitor]], [[343 Guilty Spark]], escapes to [[Threshold]]. The [[Fleet of Particular Justice]] is damaged. The fleet's secondary flagship, the ''[[Ascendant Justice]]'', is captured by humans.<ref>'''Halo: First Strike''', ''page 96'' (2010 edition)</ref>
*A [[Covenant]] artifact retrieval team led by [[Sesa 'Refumee]] is investigating a [[Threshold gas mine|Forerunner gas mine]] in Threshold's atmosphere when he encounters 343 Guilty Spark. Inspired by Spark's words, 'Refumee and his team [[Sesa 'Refumee's heretic faction|go into open rebellion]] against the [[Hierarchs|High Prophets]] of the Covenant.<ref>'''[[Halo: Combat Evolved Anniversary]]''', ''[[Terminal/Halo: Combat Evolved Anniversary|Terminal 11]]''</ref>
*A [[Covenant]] artifact retrieval team led by [[Sesa 'Refumee]] is investigating a [[Threshold gas mine|Forerunner gas mine]] in Threshold's atmosphere when he encounters 343 Guilty Spark. Inspired by Spark's words, 'Refumee and his team [[Sesa 'Refumee's heretic faction|go into open rebellion]] against the [[Hierarchs|High Prophets]] of the Covenant.<ref>'''[[Halo: Combat Evolved Anniversary]]''', ''[[Terminal (Halo: Combat Evolved Anniversary)|Terminal 11]]''</ref>


'''October 20:'''
'''October 20:'''
*[[Thel 'Vadam]]ee, the [[Supreme Commander]] of the Fleet of Particular Justice, is tried before the [[High Council]] and sentenced to death. However, the [[Prophet of Truth|High Prophet of Truth]] overrides the Council and makes the Supreme Commander an [[Arbiter]] of the Covenant. Truth then sends him to kill Sesa 'Refumee and destroy his rebellion, which they dub "[[heretic|heresy]]".<ref>'''Halo 2''', campaign level ''[[The Arbiter]]''</ref>
*[[Thel 'Vadam]]ee, the [[Supreme Commander]] of the Fleet of Particular Justice, is tried before the [[High Council]] and sentenced to death. However, the [[Prophet of Truth|High Prophet of Truth]] overrides the Council and makes the Supreme Commander an [[Arbiter]] of the Covenant. Truth then sends him to kill Sesa 'Refumee and destroy his rebellion, which they dub "[[List of known Covenant heretics|heresy]]".<ref>'''Halo 2''', campaign level ''[[The Arbiter]]''</ref>
*Start of the [[Battle of Earth]]. The defeated [[Prophet of Regret|High Prophet of Regret]] is forced to retreat to [[Installation 05]], pursued by the {{UNSCShip|In Amber Clad}}.<ref>'''Halo 2''', campaign level ''[[Metropolis]]''</ref>
*Start of the [[Battle of Earth]]. The defeated [[Prophet of Regret|High Prophet of Regret]] is forced to retreat to [[Installation 05]], pursued by the {{UNSCShip|In Amber Clad}}.<ref>'''Halo 2''', campaign level ''[[Metropolis]]''</ref>
*Moments after Regret's withdrawal, Jiralhanae within the Covenant forces quickly kill all Sangheili and seize control of the Covenant forces on Earth under secret orders of the Prophet of Truth.<ref>'''[[Halo Waypoint]]''', ''"Ten Twenty" history article''</ref>
*Moments after Regret's withdrawal, Jiralhanae within the Covenant forces quickly kill all Sangheili and seize control of the Covenant forces on Earth under secret orders of the Prophet of Truth.{{Ref/Reuse|oct20}}
*The Arbiter and a [[Special Operations Commander]], [[Rtas 'Vadum]]ee lead a team of [[Covenant Special Operations|Special Operations]] forces to Threshold, where they kill Sesa 'Refumee and successfully crush his rebellion.<ref>'''Halo 2''', campaign level ''[[The Oracle]]''</ref>
*The Arbiter and a [[Special Operations Commander]], [[Rtas 'Vadum]]ee lead a team of [[Covenant Special Operations|Special Operations]] forces to Threshold, where they kill Sesa 'Refumee and successfully crush his rebellion.<ref>'''Halo 2''', campaign level ''[[The Oracle]]''</ref>


'''October 21:'''
'''October 21:'''
*The Prophet of Truth's Jiralhanae-led reinforcement fleet arrives at Earth and starts the excavation of the [[Portal at Voi|Ark Portal]]. They kill all remaining Sangheili in the city.<ref name="odst"/>
*The Prophet of Truth's Jiralhanae-led reinforcement fleet arrives at Earth and starts the excavation of the [[Portal at Voi|Ark Portal]]. They kill all remaining Sangheili in the city.{{Ref/Reuse|odst}}


'''November 2:'''
'''November 2:'''
*The [[John-117|Master Chief]] tracks down and kills the Prophet of Regret on Installation 05.<ref>'''Halo 2''', campaign level ''[[Regret (level)|Regret]]''</ref>
*The [[John-117|Master Chief]] tracks down and kills the Prophet of Regret on Installation 05.<ref>'''Halo 2''', campaign level ''[[Regret (Halo 2 level)|Regret]]''</ref>
*''[[High Charity]]'' and its [[High Charity defense fleet|defense fleet]] arrive at Installation 05. Witnessing the assassination of the Prophet of Regret, the Prophet of Truth [[Changing of the Guard|replaces]] the [[Covenant Honor Guard]] [[Sangheili]] with [[Jiralhanae]]. Insulted, the [[Sangheili Councilor]]s threaten to resign from the High Council.<ref name="icon"/>
*[[High Charity]] and its [[High Charity defense fleet|defense fleet]] arrive at Installation 05. Witnessing the assassination of the Prophet of Regret, the Prophet of Truth [[Changing of the Guard|replaces]] the [[Covenant Honor Guard]] [[Sangheili]] with [[Jiralhanae]]. Insulted, the [[Sangheili Councilor]]s threaten to resign from the High Council.{{Ref/Reuse|icon}}


'''November 3:'''
'''November 3:'''
*The Arbiter and Tartarus are sent to retrieve Installation 05's [[activation index]]. The Arbiter successfully takes the index, but Tartarus tries to kill him and takes the index from him, having been secretly ordered to do so by the Prophet of Truth.<ref>'''Halo 2''', campaign level ''[[Quarantine Zone (level)|Quarantine Zone]]''</ref>
*The Arbiter and Tartarus are sent to retrieve Installation 05's [[activation index]]. The Arbiter successfully takes the index, but Tartarus tries to kill him and takes the index from him, having been secretly ordered to do so by the Prophet of Truth.<ref>'''Halo 2''', campaign level ''[[Quarantine Zone]]''</ref>
*Most of the Sangheili Councilors are taken to the surface of Installation 05 where they are murdered by the [[Jiralhanae]].<ref name="uprising"/>
*Most of the Sangheili Councilors are taken to the surface of Installation 05 where they are murdered by the [[Jiralhanae]].{{Ref/Reuse|uprising}}
*The Prophet of Truth transfers command of the [[Covenant military]] to the Jiralhanae, while Tartarus declares war on the Sangheili, and the [[Battle of High Charity|Battle of ''High Charity'']] begins. Fighting between Sangheili and Jiralhanae forces breaks out all over ''High Charity''. As word spreads, fighting takes place throughout the fleet, as Sangheili and Jiralhanae controlled ships attack one another.<ref name="gravemind"/>
*The Prophet of Truth transfers command of the [[Covenant military]] to the Jiralhanae, while Tartarus declares war on the Sangheili, and the [[Fall of High Charity]] begins. Fighting between Sangheili and Jiralhanae forces breaks out all over High Charity. As word spreads, fighting takes place throughout the fleet, as Sangheili and Jiralhanae controlled ships attack one another.{{Ref/Reuse|gravemind}}
*The [[Flood]] invade ''High Charity'' during the battle, entering the city's dome via precision [[Slipstream space|slipspace]] jump aboard {{UNSCShip|In Amber Clad}} and its embarked [[D77-TC Pelican|Pelicans]]. The [[Prophet of Mercy|High Prophet of Mercy]] is attacked by an [[Flood infection form|infection form]] and abandoned by the Prophet of Truth, who now reigns as the Covenant's sole leader.<ref name="gravemind"/>
*The [[Flood]] invade High Charity during the battle, entering the city's dome via precision [[Slipstream space|slipspace]] jump aboard {{UNSCShip|In Amber Clad}} and its embarked [[D77-TC Pelican|Pelicans]]. The [[Prophet of Mercy|High Prophet of Mercy]] is attacked by a [[Pod infector]] and abandoned by the Prophet of Truth, who now reigns as the Covenant's sole leader.{{Ref/Reuse|gravemind}}
*Tartarus attempts to activate [[Installation 05]] by forcing [[Miranda Keyes|Commander Miranda Keyes]] to insert the Index into the Control Room's [[The Core|Core]].<ref name="journey"/>
*Tartarus attempts to activate [[Installation 05]] by forcing [[Miranda Keyes|Commander Miranda Keyes]] to insert the Index into the Control Room's [[The Core|Core]].{{Ref/Reuse|journey}}
*Thel 'Vadamee, with the aid of [[Avery Johnson|Sergeant Johnson]] and Rtas 'Vadumee, kills Tartarus.<ref name="journey"/>
*Thel 'Vadamee, with the aid of [[Avery Johnson|Sergeant Johnson]] and Rtas 'Vadumee, kills Tartarus.{{Ref/Reuse|journey}}
*Commander Keyes aborts the activation of Installation 05, placing the entire [[Halo Array]] on standby status. [[343 Guilty Spark]] reveals the existence of [[Installation 00|the Ark]].<ref name="journey"/>
*Commander Keyes aborts the activation of Installation 05, placing the entire [[Halo Array]] on standby status. [[343 Guilty Spark]] reveals the existence of [[Installation 00|the Ark]].{{Ref/Reuse|journey}}
*The Flood takes control of ''High Charity'' and many of its warships. [[Jiralhanae]] and [[Sangheili]] fleets remaining around the city-station continue to destroy each other.<ref name="journey"/>
*The Flood takes control of High Charity and many of its warships. [[Jiralhanae]] and [[Sangheili]] fleets remaining around the city-station continue to destroy each other.{{Ref/Reuse|journey}}
*The Prophet of Truth departs ''High Charity'' for Earth aboard the [[Forerunner Dreadnought]], to join the [[Battle of Earth]]. The [[Jiralhanae]] forces there are already engaged in fighting with the [[United Nations Space Command|UNSC]]. Unbeknown to the [[Prophet of Truth]], John-117 is on the ship, with the intention of "finishing the fight".<ref name="journey"/>
*The Prophet of Truth departs High Charity for Earth aboard the Forerunner Dreadnought, to join the [[Battle of Earth]]. The [[Jiralhanae]] forces there are already engaged in fighting with the [[United Nations Space Command|UNSC]]. Unbeknown to the [[Prophet of Truth]], John-117 is on the ship, with the intention of "finishing the fight".{{Ref/Reuse|journey}}
*The [[prowler]] ''[[UNSC Dusk|Dusk]]'' witnesses the battle between Sangheili and Jiralhanae held ships above [[Installation 05|Delta Halo]], both fighting each other pausing only to escalate an immediate outbreak of the [[Flood]] from the ringworld. Dusk subsequently flees the battle and links up with [[Patterson's battle group]] at Earth.<ref>'''Halo: Ghosts of Onyx''', ''page 199''</ref>
*The [[prowler]] ''[[UNSC Dusk|Dusk]]'' witnesses the battle between Sangheili and Jiralhanae held ships above [[Installation 05|Delta Halo]], both fighting each other pausing only to escalate an immediate outbreak of the [[Flood]] from the ringworld. Dusk subsequently flees the battle and links up with [[Patterson's battle group]] at Earth.<ref>'''Halo: Ghosts of Onyx''', ''page 199''</ref>
*[[Sangheili Major]] [[Voro Nar 'Mantakree|Voro 'Mantakree]] kills his [[shipmaster]], [[Tano 'Inanraree]], while he is attempting to allow the [[Flood]] to enter the ship. He then assumes command of the ship, the ''[[Incorruptible]]'', and becomes the ''de facto'' leader of the [[Second Fleet of Homogeneous Clarity]]. He leads his new forces to [[Joyous Exultation]], pursued by the [[Jiralhanae]] [[Gargantum]] and his ships.<ref>'''Halo: Ghosts of Onyx''', ''page 189''</ref>
*[[Sangheili Major]] [[Voro Nar 'Mantakree|Voro 'Mantakree]] kills his [[shipmaster]], [[Tano 'Inanraree]], while he is attempting to allow the [[Flood]] to enter the ship. He then assumes command of the ship, the ''[[Incorruptible]]'', and becomes the ''de facto'' leader of the [[Second Fleet of Homogeneous Clarity]]. He leads his new forces to [[Joyous Exultation]], pursued by the [[Jiralhanae]] [[Gargantum]] and his ships.<ref>'''Halo: Ghosts of Onyx''', ''page 189''</ref>
*[[Imperial Admiral]] [[Xytan 'Jar Wattinree]] plans to lure the [[Jiralhanae]] leadership to the Sangheili base world [[Joyous Exultation]] and plans an ambush for them. He deploys the newly-promoted [[Fleet Master]] [[Voro Nar 'Mantakree]] to [[Onyx]] to recover the [[Forerunner]] technologies there and prevent the UNSC forces there from claiming it themselves. A [[NOVA bomb]] captured by the [[CSO-class supercarrier|supercarrier]] ''[[Sublime Transcendence]]'' devastates the planet moments after 'Mantakree's forces leave, the survivors joining 'Mantakree at Onyx.<ref name="GoO244">'''Halo: Ghosts of Onyx''', ''pages 244-245''</ref>
*[[Imperial Admiral]] [[Xytan 'Jar Wattinree]] plans to lure the [[Jiralhanae]] leadership to the Sangheili base world [[Joyous Exultation]] and plans an ambush for them. He deploys the newly-promoted [[Fleet Master]] [[Voro Nar 'Mantakree]] to [[Onyx]] to recover the [[Forerunner]] technologies there and prevent the UNSC forces there from claiming it themselves. A [[NOVA bomb]] captured by the [[Sh'wada-pattern supercarrier|supercarrier]] ''[[Sublime Transcendence]]'' devastates the planet moments after 'Mantakree's forces leave, the survivors joining 'Mantakree at Onyx.<ref name="GoO244">'''Halo: Ghosts of Onyx''', ''pages 244-245''</ref>


'''November 8:'''
'''November 8:'''
*The Forerunner Dreadnought arrives in the [[Sol system]], and proceeds on course towards Earth at near-relativistic speeds.<ref name="bnet">[http://www.bungie.net/News/content.aspx?type=topnews&cid=16989 '''Bungie.net''': ''Bungie Weekly Update: 01/23/09'']</ref>
*The Forerunner Dreadnought arrives in the [[Sol system]], and proceeds on course towards Earth at near-relativistic speeds.<ref name="bnet">[http://halo.bungie.net/News/content.aspx?type=topnews&cid=16989 '''Bungie.net''': ''Bungie Weekly Update: 01/23/09'']</ref>


'''November 17:'''
'''November 17:'''
*The Forerunner Dreadnought enters [[Earth]]'s atmosphere. [[John-117]] ejects from the ship upon reentry, landing in the jungles near [[Mount Kilimanjaro]].<ref name="bnet"/>
*The Forerunner Dreadnought enters [[Earth]]'s atmosphere. [[John-117]] ejects from the ship upon reentry, landing in the jungles near [[Mount Kilimanjaro]].{{Ref/Reuse|bnet}}
*[[Battle of Voi]]. The Prophet of Truth uses the Forerunner Dreadnought to activate the Portal, and his loyalist fleet follows it through the portal. The [[Flood]]-infested Voi, only to be contained by the [[Fleet of Retribution|Sangheili fleet]].<ref name="floodgate"/>
*[[Battle of Voi]]. The Prophet of Truth uses the Forerunner Dreadnought to activate the Portal, and his loyalist fleet follows it through the portal. The [[Flood]]-infested Voi, only to be contained by the [[Fleet of Retribution|Sangheili fleet]].{{Ref/Reuse|floodgate}}


'''December 11'''
'''December 11'''
*News spreads wide through Sangheili fleets, who take in some instances up arms against their Prophet escorts and, more widely, against the Jiralhanae.
*News spreads wide through Sangheili fleets, who take in some instances up arms against their Prophet escorts and, more widely, against the Jiralhanae.
*Truth and his loyalists arrive at the Ark, pursued by the Sangheili [[Fleet of Retribution]]. [[Battle of Installation 00|A massive battle]] begins over the Ark. All of Truth's vessels are eventually destroyed over the Ark by the Sangheili fleet.<ref name="ark"/>
*Truth and his loyalists arrive at the Ark, pursued by the Sangheili [[Fleet of Retribution]]. [[Battle of Installation 00|A massive battle]] begins over the Ark. All of Truth's vessels are eventually destroyed over the Ark by the Sangheili fleet.{{Ref/Reuse|ark}}
*Sangheili and human forces [[Battle of the Citadel|fight]] their way to the [[Citadel]]. The Prophet of Truth, the last Hierarch of the Covenant, is executed by Thel 'Vadam with help from the Flood. John-117 stops the Ark from firing the Halo rings.<ref name="cove"/>
*Sangheili and human forces [[Battle of the Citadel|fight]] their way to the [[Installation 00 Citadel|Citadel]]. The Prophet of Truth, the last Hierarch of the Covenant, is executed by Thel 'Vadam with help from the Flood. John-117 stops the Ark from firing the Halo rings.{{Ref/Reuse|cove}}
*''High Charity'' is [[Raid on High Charity|destroyed]] by John-117 after he overloads the city's main reactors causing them to detonate.<ref name="cortana"/>
*High Charity is [[Raid on High Charity|destroyed]] by John-117 after he overloads the city's main reactors causing them to detonate.{{Ref/Level|Id=cortana|Halo 3|Level=Cortana}}
*[[Rtas 'Vadum]] evacuates all humans and Sangheili, via the ''[[Shadow of Intent]]'', back to Earth.<ref name="cortana"/>
*[[Rtas 'Vadum]] evacuates all humans and Sangheili, via the ''[[Shadow of Intent]]'', back to Earth.{{Ref/Reuse|cortana}}
*Arbiter Thel 'Vadam, John-117 and [[Avery Johnson|Sergeant Johnson]] [[Raid on Installation 04B|battle]] to the [[control room]] of [[Installation 04B]]. Guilty Spark runs [[Rampancy|rampant]], killing Johnson before being subsequently destroyed by John-117. Installation 04B's sentinels turn on the Spartan, Thel 'Vadam, and the Sangheili. The unfinished Installation 04 is activated, devastating the Ark and destroying the entire local Flood infestation including the [[Gravemind]]. These final events ended the Human-Covenant War.<ref name="h3 halo"/>
*Arbiter Thel 'Vadam, John-117 and [[Avery Johnson|Sergeant Johnson]] [[Raid on Installation 08|battle]] to the [[control room]] of [[Installation 08]]. Guilty Spark runs [[Rampancy|rampant]], killing Johnson before being subsequently destroyed by John-117. Installation 08's sentinels turn on the Spartan, Thel 'Vadam, and the Sangheili. The unfinished Installation 04 is activated, devastating the Ark and destroying the entire local Flood infestation including the [[Gravemind]]. These final events ended the Human-Covenant War.{{Ref/Reuse|h3 halo}}
*John-117, Cortana, and Thel 'Vadam escape the Ark. With their escape vessel, {{UNSCShip|Forward Unto Dawn}} cut in half upon slipspace transition, only Thel 'Vadam gets back to Earth.<ref name="h3 halo"/>
*John-117, Cortana, and Thel 'Vadam escape the Ark. With their escape vessel, {{UNSCShip|Forward Unto Dawn}} cut in half upon slipspace transition, only Thel 'Vadam gets back to Earth.{{Ref/Reuse|h3 halo}}
 
===2553===
'''March '''
*'''March 3''': [[Voi Memorial]]: the [[human]]s and the [[Sangheili]] make a memorial in [[Voi]] near [[Mount Kilimanjaro]] on planet Earth to commemorate those who were lost in the final battle at the Ark, while also serving as a small memorial for those lost in the rest of the war.<ref>'''Halo: Glasslands''', ''page 411''</ref>
*Revolting Jiralhanae dissidents detonate an explosive in the state of [[Ontom]] on Sanghelios. Their attacks are quelled by the local militia. In the wake of this uprising, the [[Servants of the Abiding Truth]] attempt to overthrow the Arbiter. Their assault on the state of [[Vadam]] ignites a [[Sangheili civil war|brief civil war]] on the planet.<ref>'''Halo: The Thursday War''', ''page 114''</ref>
*Shipmaster [[Jul 'Mdama]] establishes a [[Jul 'Mdama's Covenant faction|Covenant revival faction]] on [[Hesduros]]. Significant in strength, this remnant vehemently continues and pursues the work of the former Covenant's religion; worship, discovery and possession of [[Forerunner]] artifacts.
 
===2558===
[[Horatio Temkin]], the human ambassador to Sanghelios, arranges peace talks between the UNSC, Sangheili, and Jiralhanae following an escalation in Jiralhanae raiding attacks throughout the [[Joint Occupation Zone]]s.<ref name="escalation1"/><ref name="HE5"/>
*'''March 5:''' Arbiter Thel 'Vadam and an elder [[Jiralhanae Chieftain]] called [[Lydus]] attempt to reach a peace agreement, but they are [[Battle of Ealen IV|attacked]] by [[Vata 'Gajat's mercenary group|a Covenant splinter group]] on [[Ealen IV]].<ref name="escalation1"/> The ambassadors are rescued from the planet, but the negotiations come to a standstill.<ref>'''Halo: Escalation''', ''[[Halo: Escalation Issue 3|Issue #3]]</ref>
 
===2559===
*The Great Schism continues as conflict between Jiralhanae and Sangheili. The San'Shyuum have vanished from the reaches of the Sangheili, Jiralhanae and UNSC empires. While the Jiralhanae wage their own internecine wars, the Sangheili themselves are gradually losing their fleets in a war of attrition, having lost the technical expertise kept exclusively by the Prophets.<ref name="Evolutions" />


==Trivia==
==Trivia==
Line 161: Line 206:
*In ''[[Halo: Contact Harvest]]'', the [[Prophet of Truth]] foreshadows the Great Schism, noting that if the Sangheili ever separated from the Covenant, the entire government would collapse.<ref>'''Halo: Contact Harvest''', ''page 152''</ref>
*In ''[[Halo: Contact Harvest]]'', the [[Prophet of Truth]] foreshadows the Great Schism, noting that if the Sangheili ever separated from the Covenant, the entire government would collapse.<ref>'''Halo: Contact Harvest''', ''page 152''</ref>
*According to the [[Bestiarum]], the [[Unggoy]] were too indecisive to continue the rebellion and the true political motivation of the [[Mgalekgolo]], if any, remained a mystery.
*According to the [[Bestiarum]], the [[Unggoy]] were too indecisive to continue the rebellion and the true political motivation of the [[Mgalekgolo]], if any, remained a mystery.
*In ''Halo 3: ODST'', it is implied that the [[Office of Naval Intelligence]] was aware of internal conflict within the Covenant from early on. During the level ''[[Tayari Plaza (level)|Tayari Plaza]]'' which takes place on October 20, [[Edward Buck|Buck]] asks [[Veronica Dare|Dare]] about the Sangheili bodies lying around the city, as they appear to have been killed by the Jiralhanae; Dare responds that said information is classified.
*In ''Halo 3: ODST'', it is implied that the [[Office of Naval Intelligence]] was aware of internal conflict within the Covenant from early on. During the level ''[[Tayari Plaza]]'' which takes place on October 20, [[Edward Buck|Buck]] asks [[Veronica Dare|Dare]] about the Sangheili bodies lying around the city, as they appear to have been killed by the Jiralhanae; Dare responds that said information is classified.


==Gallery==
==Gallery==
<gallery>
<gallery>
File:Hqdefault.jpg|The Sangheili watch as the Jiralhanae Chieftains betray and murder their comrades, igniting the Schism.
File:H2A - Changing of the Guard.jpg|The Jiralhanae assume the title of Honor Guard from the Sangheili, accelerating the eventual conflict between the two races.
File:Schism_2.png|A Sangheili facing off a Jiralhanae in combat.
File:H2A - Inevitable betrayal.jpg|Acting on the Prophets' orders, Tartarus and the Brutes betray the Arbiter and claim the "[[Index|Sacred Icon]]".
File:H2A Great Schism.png|Civil war rages among the Covenant around ''High Charity''.  
File:TheReturn_Execution.jpg|The Sangheili watch as the Jiralhanae Chieftains betray and murder their comrades, igniting the Schism.
File:Schism_4.png|Sangheili warships and ground forces after a victorious battle.
File:H2A_-_Great_Schism.jpg|Sangheili and Jiralhanae ships war above High Charity.
File:Escalation_raids.png|Jiralhanae raiders pillaging Sangheili settlements.
File:H2A Great Schism.png|Civil war rages among the Covenant around High Charity.  
File:Escalation_schism.png|A [[Sangheili Minor]] and [[Jiralhanae Captain Major]] locked together in combat.
File:H2A Terminals - Great Schism.png|Ships battle over High Charity.
File:H2A ElitesVsBrutes.png|Brutal close-quarters fighting between Sangheili and Jiralhanae soldiers in one of High Charity's [[Valleys of Tears|environmental modules]].
File:H2A MausoleumBattle.png|Sangheili and Jiralhanae clash within High Charity's [[Mausoleum of the Arbiter]].
File:H3 - Retribution Victory vs Truths Fleet.png|The Prophet of Truth's armada prepares to engage the Arbiter's [[Fleet of Retribution]] during the [[Battle of Installation 00]].
File:HRoA4_Volir_Great Schism.png|Shipmaster [[Let 'Volir]] sees the conflict devolve into senseless feuds.
</gallery>
</gallery>


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*''[[Halo Legends]]''
*''[[Halo Legends]]''
**''[[Origins]]''
**''[[Origins]]''
*''[[Halo: Evolutions - Essential Tales of the Halo Universe]]''
*''[[Halo: Evolutions]]''
**''[[The Return]]''
**''[[The Return]]''
**''[[Wages of Sin]]'' {{Mo}}
*''[[Halo: Glasslands]]'' {{Mo}}
*''[[Halo: Glasslands]]'' {{Mo}}
*''[[Halo: The Thursday War]]'' {{Mo}}
*''[[Halo: The Thursday War]]'' {{Mo}}
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*''[[Halo: Mortal Dictata]]'' {{Mo}}
*''[[Halo: Mortal Dictata]]'' {{Mo}}
*''[[Halo: Broken Circle]]''
*''[[Halo: Broken Circle]]''
*''[[Halo 2 Anniversary]]''
*''[[Halo 2: Anniversary]]''
**''[[Terminal/Halo 2 Anniversary|Terminals]]''
**''[[Terminal (Halo 2: Anniversary)|Terminals]]''
*''[[Halo: New Blood]]'' {{Mo}}
*''[[Halo: Hunters in the Dark]]'' {{Mo}}
*''[[Halo 5: Guardians]]'' {{Mo}}
*''[[Halo Mythos: A Guide to the Story of Halo]]'' {{Mo}}
*''[[Halo: Fractures]]''
**''[[Breaking Strain]]'' {{Mo}}
*''[[Halo: Tales from Slipspace]]''
**''[[Hunting Party]]''
*''[[Halo: Envoy]]'' {{Mo}}
*''[[Halo: Retribution]]'' {{Mo}}
*''[[Halo: Legacy of Onyx]]'' {{Mo}}
*''[[Halo: Shadows of Reach]]'' {{Mo}}
**''[[Sacrifice]]'' {{Mo}}
*''[[Halo: Divine Wind]]'' {{Mo}}
*''[[Halo Infinite]]'' {{Mo}}
*''[[Halo: Outcasts]]'' {{Mo}}


==Note==
==Notes==
<references group="note"/>
{{Ref/Notes}}


==Sources==
==Sources==
{{Reflist|2}}
{{Ref/Sources|2}}


{{Covenantwars}}
{{Covenantwars}}
[[Category:The Covenant]]
 
[[Category:History of the UNSC]]

Latest revision as of 01:37, September 4, 2024

Concurrent:

Human-Covenant War

Next:

Sangheili-Jiralhanae war

Great Schism
H2A - HighCharityBattle Concept.png

Date:

Location:

Orion Arm, Milky Way Galaxy

Outcome:

Sangheili victory

Details
Belligerents
Commanders

High Prophet of Truth†
High Prophet of Mercy†
Prophet of Exquisite Devotion†
Chieftain Tartarus†
Chieftain Gargantum
Captain Melchus

Arbiter Thel 'Vadam
Shipmaster Rtas 'Vadum
Unidentified Sangheili Shipmaster[1]
Fleet Master Voro Nar 'Mantakree†
Imperial Admiral Xytan 'Jar Wattinree†
Blademaster Vul 'Soran
Fleetmaster Rojka 'Kasaan

Strength
Casualties
 

"By the Prophets... what have these Brutes done? They have shed our brothers' blood... and for that, they must die!"
— Sangheili on Installation 05[3]

The Great Schism,[4] also known as the Covenant Schism,[5] was a major civil war between the forces loyal to the Covenant (led by the San'Shyuum and the Jiralhanae) against the Covenant separatists (the Sangheili and their followers), which split apart on November 3, 2552. The High Prophet of Truth ordered the extermination of the entire Sangheili species,[6][7][8] forcing them out of the Covenant.[9] Battles during the Schism took place all throughout Covenant space, most prominently on High Charity, the heart of the alien empire. The Flood additionally played a tertiary role, when they took over the holy city in an effort to assimilate the other warring factions. The deciding battles were fought between the Sangheili Fleet of Retribution allied with the UNSC against the High Prophet of Truth and his remnants of the Covenant on the Ark. The Schism marked both the end of the Covenant and the partition of its client species for a thousand years.[5] For the UNSC, it served as a major turning point that led to the end of the war after their disastrous defeat on Reach.

The conflict went down in Sangheili history as the Great Betrayal,[10] its deep wounds continuing to stir animosity between their kind and the Jiralhanae for years to come.[1]

Background[edit]

Thel 'Vadamee: "We are strong, Kig-Yar. That is why we sit at the right hand of the Prophets."
Reth: "One day that shall pass."
— Conversation between Reth and Thel 'Vadamee in 2535[11]
The Sangheili threatened San'Shyuum power,[12] while the Jiralhanae threatened Sangheili power.[13]

For centuries over the course of the history of the Covenant, various high ranking Sangheili with great influence would use their power to ask questions, eventually coming close to discovering the truth about the Forerunners.[12] Discovering such a truth would falsify the Covenant religion and shatter the empire along with its power structure. As such, the San'Shyuum High Prophets perceived these influential Sangheili as a threat to their authority, and would send them on suicidal missions decorated under the honorary guise of Arbiters to discretely remove their threatening presence.[12]

With this history of troublesome influential Sangheili well documented among the High Prophets, the threat the Sangheili posed was made even more apparent during the Human-Covenant War in 2552, when Sesa 'Refumee's heretic faction spread information about the Great Journey being false.[14] Intending to prevent the Covenant from falling apart and losing power, the High Prophet of Truth secretly made plans to eject the entire Sangheili species from the hegemony, viewing them as untrustworthy and doubting their reliability and loyalty. As the war had waged on, some Sangheili questioned the need to exterminate humanity instead of welcoming them into the Covenant, given humanity's strength as a tenacious species and occasional displays of honor.[15][16] This changing attitude towards mankind who were deemed heretical along with the faliure to safeguard a holy "Sacred Ring", further perpetuated San'Shyuum distrust toward the Sangheili.

The High Prophet of Truth plotted to eventually replace the Sangheili with the Jiralhanae, as he saw the latter as more willing and unquestioning pawns. Ever since the Jiralhanae's integration in 2492, their dominating physicality and aggressive behavior was perceived as a threat by the Sangheili to their superior status in the Covenant hierarchy.[13] In turn, the Sangheili treated the Jiralhanae poorly and oppressed them, to keep them in line.[17] Competition for dominance in the Covenant military and hatred festered between the two species,[13] though the Sangheili maintained their authority and power as a founding race.[18] Feeding off of their societal rivalry, Truth knew that the Jiralhanae would be more than happy to replace the Sangheili as the Covenant's military leaders. He had appointed Tartarus, a loyal Jiralhanae, to the position of Chieftain of the Jiralhanae who would help him execute his plan. Truth kept these schemes to himself and waited until the time was right to implement them.

Secret preparations[edit]

After the High Prophet of Truth learned the location of the human homeworld, he secretly amassed a fleet of over five hundred warships, commanded entirely by Jiralhanae, at the Covenant's command-and-control station Unyielding Hierophant.[19] In September 2552, this station and the fleet were destroyed by Spartan-II Blue Team who learned of its purpose shortly before the invasion could commence.[20] This put a temporary halt to Truth's plans to replace the Sangheili with the Jiralhanae.[21]

At some point, the Prophet of Truth also commissioned the creation of Drekar ships to be used by the Jiralhanae against the Sangheili.[22]

Alpha-Nine member Edward Buck comes across dead Jiralhanae and Sangheili Minors in New Mombasa Sector 6. From Halo 3: ODST campaign level Tayari Plaza.
Edward Buck comes across the aftermath of an early skirmish between Sangheili and Jiralhanae during the Battle of Mombasa.

A month later on October 20, the High Prophet of Regret made a move the High Prophet of Truth did not expect. Having discovered a significant Forerunner artifact on a planet called "Erde-Tyrene" all by himself, but unaware of the fact it was humanity's homeworld known as Earth, Regret took his fleet of only fifteen ships and rushed to "Erde-Tyrene" to investigate it.[21] Immediately after Truth learned of this, he sent the remnants of the fleet he had amassed, to Earth as well. Truth gave his Jiralhanae troops orders to forcibly overtake the Sangheili in command of the remaining forces on and above Earth.

To Regret's surprise, he was invading the human homeworld, resulting in a massive battle forcing him to flee. When Regret retreated from Earth, his Sangheili-led ships in orbit and ground forces continued to engage the United Nations Space Command without his leadership.

Moments after, the Jiralhanae forces within the fleet and on the ground discretely killed all remaining Sangheili on Earth,[23] as Truth had ordered. Vero 'Ahtulai was one among many of these Sangheili victims. They took over the Sangheili's duties to occupy the human city of New Mombasa, until more Jiralhanae reinforcements sent by Truth arrived. As High Charity and the rest of the Covenant fleet were on their way to the newly discovered Halo Installation 05, Delta Halo, the murder of these Sangheili ground forces remained secret from the rest of the Covenant.

Regret arrived at Delta Halo weeks before High Charity and the rest of the Covenant, and indirectly served yet another purpose for Truth plan: to scapegoat the Sangheili.[21] With the arrival of the UNSC In Amber Clad commanded by Commander Miranda Keyes on Delta Halo, the UNSC managed to assassinate the Prophet of Regret in a temple on the Halo ring after they got the intel they needed, with Spartan John-117 carrying out this task.

The Changing of the Guard[edit]

Main article: Changing of the Guard
Kig-Yar and Unggoy protest on High Charity.

After the High Prophet of Regret was killed by the Demon on November 2, 2552, the two remaining Hierarchs reorganized Covenant society. Claiming that the Sangheili could no longer protect the Prophets due to Regret's death, the High Prophet of Truth publicly replaced the Sangheili with the Jiralhanae as the Prophets' protectors. Much to their dismay, all Sangheili Honor Guardsmen were ordered to give away their armor and weapons to the new Jiralhanae Honor Guardsmen. The Sangheili viewed this as a violation of the principle that the Covenant had been founded upon and threatened to resign from the Covenant.[24] Special Operations Commander Rtas 'Vadumee relayed this warning from the Sangheili High Councilors to Truth, who attempted to comfort the situation by calling it a mere "exchange of hats". Several Unggoy and Kig-Yar would join in protest against this change as well.[25]

The High Prophet of Truth further demoted the Sangheili by giving command of their fleets to the Jiralhanae, including the Fleet of Profound Solitude, Fleet of Tranquil Composure and Fleet of Inner Knowledge.[26] Many Sangheili Shipmasters and Fleetmasters would be replaced with new Jiralhanae commanders. Truth allocated more loyal forces to his disposal by pardoning and releasing all Jiralhanae prisoners, while publicly framing it as a celebration for the species newly elevated status in Covenant society.[26]

The Sangheili found these changes to be deeply humiliating, as founding members of the Covenant they were insulted to see their societal status quickly becoming relegated below the Jiralhanae.[27]

War[edit]

Conflict erupts[edit]

"The Great Schism is upon us. The unbreakable Covenant Writ of Union has been split asunder. This is the end of the Ninth, and final, Age."
— Xytan 'Jar Wattinree[4]
The massacre of the Sangheili High Councilors.

The High Prophet of Truth predicted that the High Council would elect a new Hierarch to replace Regret, and so he made his move to eliminate the Sangheili High Councilors to prevent another moderate Prophet from being elected.[28] Once enough Jiralhanae were in place, Truth instigated a pogrom by ordering the assassination of all Sangheili Councilors.[29] Many Sangheili High Councilors and former Honor Guards were ordered to meet in the Control Room of Installation 05 to begin preparing for the Great Journey. However, Jiralhanae Captain Melchus arrived at the Control Room, with a large heavily armed contingent of Jiralhanae, and proceeded to massacre the Councilors and former guardsmen.[30] All Sangheili in the room were killed except for G'torik 'Klemmee who survived a deadly fall and later escaped, the rest were smashed into bloody pieces by gravity hammers. Concurrently, Chieftain of the Jiralhanae Tartarus and his guards attempted to kill Arbiter Thel 'Vadamee in the Library, seizing the Index and knocking him into a deep pit, as ordered by Truth. This would spark the start of the Great Schism.

Word of the massacred Sangheili Councilors immediately spread and was perceived as an insurrection against the Covenant to the Sangheili. The Jiralhanae and other loyalists were led to believe it was a Sangheili revolt, rejecting the Jiralhanae's newly elevated status,[31] and were ordered to exterminate the entire Sangheili species and kill all of them on sight.[6] After the slaughter of the Councilors, war and violence broke out on High Charity, with the two sides polarizing quickly. Video messages of the various massacres were sent to all Sangheili forces,[32] resulting in the entire species learning that they had been forced out of the Covenant.[9] The ships within the High Charity defense fleet began shooting each other down while gunfire erupted aboard the interior of High Charity. At the front lines of the conflict, the species of the Covenant took distinct sides. Those who followed the High Prophets included all San'Shyuum and Jiralhanae (with a few exceptions),[33][34] many Kig-Yar and Yanme'e, some Unggoy, and a few Mgalekgolo. The forces allied with all the Sangheili consisted of many Mgalekgolo, Unggoy and Huragok.[35]

Former Sangheili Honor Guards fight with the Jiralhanae on High Charity.

The Prophet of Exquisite Devotion who had been torturing Sangheili, discovered that the Prophet of Clarity was attempting to aid them. Devotion then attempted to have Clarity executed for treason. However, a group of Sangheili led by G'torik 'Klemmee arrived and rescued the Prophet of Clarity—killing Exquisite Devotion in the process.[36] After the Sangheili-led and Jiralhanae-led forces fought each other in High Charity for several hours, Flood infected Pelicans eventually crashed into the holy city, spreading the parasite. Around this time, the High Prophet of Truth left the High Prophet of Mercy to die at the hands of the Flood, solidifying his place as the autocrat of the Covenant.[37] The chaos was further intensified when Truth abandoned High Charity in the Forerunner Dreadnought on a journey to Earth, disconnecting it from the grid, leaving the entire city in the dark without power amongst the Flood. Clarity, 'Klemmee, and the rest of their small group would later escape High Charity aboard a stolen supply ship, Journey's Sustenance.[38] High Charity fell to the Flood, leaving the Covenant without a capital and the dying San'Shyuum without a homeworld. Sangheili ships attempted to quarantine the region of space around High Charity, preventing any possibly infected ships from leaving, while also shooting down enemy Jiralhanae ships.

Broadening conflict[edit]

Conflict occurred all across Covenant space, including from within ships themselves. Notably, one Sangheili Shipmaster grabbed the Prophet aboard his ship, having barged into his cabin, and executed him before the rest of the crew. Chol Von, a T'vaoan shipmistress, captured a Phantom, killing two Sangheili in the process.[39] She renamed her missionary ship Joyous Discovery as Paragon.[40]

Covenant ships in orbit above both Tribute[41] and Reach would begin firing at one another.[42]

The civil war was at first a conflict over orthodoxy and leadership, as Imperial Admiral Xytan 'Jar Wattinree summoned many Sangheili to Joyous Exultation in a plot to wipe out the Jiralhanae. However, a revelation among the Sangheili occurred when Thel 'Vadam's contingent discovered the truth that the Halos would kill all life in the galaxy and that the Great Journey was a lie, from both the Gravemind and 343 Guilty Spark. Their disillusionment changed their goal from reforming the purity of the Covenant to actively standing against the Covenant religion the following day. Wattinree's separatist forces would be destroyed in the meantime in the accidental NOVA bombing of Joyous Exultation and the Onyx Conflict.

Sangheili-human alliance[edit]

One of the Sangheili leaders, Arbiter Thel 'Vadam, duels against the Jiralhanae leader Tartarus.

On Installation 05, Sergeant Major Avery Johnson's Marines met Arbiter Thel 'Vadam's forces and united to prevent the Chieftain of the Jiralhanae, Tartarus, from activating Delta Halo and firing the Halo Array.[43] The Arbiter fought Tartarus face to face, while Johnson picked away at the Jiralhanae's shields with a beam rifle from afar. After killing Tartarus, the Arbiter solidified this alliance of circumstance by bringing in all local Sangheili forces to side with Commander Miranda Keyes and the UNSC. A shaky alliance between these Sangheili and their former foes, the humans, was forged out of necessity and revenge against the Covenant to some extent.[44] Both sides had two common enemies that wished for their extinction: the Covenant and the Flood. Meanwhile, Rtas 'Vadum led a strike team of Sangheili to capture the Shadow of Intent from the Jiralhanae as a flagship for their local forces, forming the Fleet of Retribution.

The Fleet of Retribution stayed behind on Delta Halo to quarantine the Flood outbreak by glassing the surface, while the Arbiter joined the UNSC forces back to Earth to chase the High Prophet of Truth. Truth was excavating the Forerunner artifact on Earth that Regret had discovered nearly a month prior and was seeking to use it to travel to the Ark to fire all the Halo rings. Weeks later on November 17, the devastated UNSC Home Fleet attempted a last-ditch assault on Truth's Forerunner Dreadnought, which had integrated with the portal artifact. This attack failed while a Flood-controlled battlecruiser crashed in Voi only moments after Truth's Dreadnaught and the rest of his fleet entered the portal generated by the artifact.[45]

The Sangheili Fleet of Retribution, led by Shipmaster Rtas 'Vadum, arrived at Earth in pursuit of the Flood infested cruiser. Several Sangheili were deployed to assist the UNSC forces in containing the Flood in Voi from spreading across the entire planet. After the allied forces were airborne, the Fleet of Retribution glassed the city and its environs under the order of Shipmaster 'Vadum, Arbiter Thel 'Vadam had persuaded him that only glassing the local area was necessary as opposed to the whole planet. This led to a debate between Shipmaster 'Vadum and Fleet Admiral Lord Terrence Hood. The Sangheili and Commander Miranda Keyes' forces agreed to follow Truth to the Ark beyond the portal.[46]

The Ark[edit]

The death of the Prophet of Truth.

The joint Sangheili-UNSC fleet arrived at the Halo Array's control center, Ark Installation 00, on December 11 where they engaged Truth's fleet. During the ensuing conflict, the Fleet of Retribution completely destroyed their Jiralhanae counterpart in the space battle, despite the latter's three-to-one numerical superiority.[47]

Sangheili ground forces were later deployed to the final battle of the war, riding in green colored Ru'swum-pattern Phantoms to match the UNSC, and helped Spartan John-117 disable the shield generators protecting the installation's Citadel where the High Prophet of Truth was hiding. As the Sangheili forces killed many Jiralhanae, John-117 and Arbiter Thel 'Vadam entered the Citadel and fought through what remained of Truth's personal guard. Truth desperately communicated holographic messages to his followers, blaming the heretics and the parasite. After reaching the control panel the Arbiter discovered that the Hierarch had been infected by the Flood; as the High Prophet slipped in and out of lucidity, 'Vadam exchanged a few words with him before stabbing him through the back with his Energy Sword.[48] The High Prophet of Truth and his forces were dead, effectively dissolving the Covenant.

With the war over, Shipmaster 'Vadum evacuated the remaining Sangheili and human forces aboard his flagship, the Shadow of Intent, and left Master Chief John-117 and the Arbiter behind to deal with the Flood at their request. Any remaining Covenant forces were presumed to be killed when Halo Installation 08 was activated and the Ark was severely damaged by the debris; though a few remnants held out in the Anodyne Spirit and had miraculously managed survived even years after the war.[49] The firing of the incomplete ring had also ended the threat of the Flood. The Master Chief, the Arbiter, and the AI Cortana had escaped on the frigate UNSC Forward Unto Dawn, which was split in half when their escape portal closed too early.[50]

Aftermath[edit]

Continuation of hostilities[edit]

An Elite fights against a Brute raiding his settlement.
Main article: Sangheili-Jiralhanae war

With Truth dead, High Charity destroyed, and the Ark heavily damaged after Installation 08's firing, some of the remaining Jiralhanae forces tried to rebuild their tattered strength to continue their war of conquest.[51] The San'Shyuum eventually abandoned them to hide from the vengeful wrath of the Sangheili, as the Jiralhanae collapsed into various civil wars. The Jiralhanae resorted to raiding Sangheili settlements, plundering resources for survival. Some Sangheili commanders kept up the offensive against them for at least another six years, even as they continued to lose irreplaceable warships and the war continued with no end in sight.[1]

Timeline[edit]

2552[edit]

September 22:

October 20:

October 21:

  • The Prophet of Truth's Jiralhanae-led reinforcement fleet arrives at Earth and starts the excavation of the Ark Portal. They kill all remaining Sangheili in the city.[23]

November 2:

November 3:

November 8:

  • The Forerunner Dreadnought arrives in the Sol system, and proceeds on course towards Earth at near-relativistic speeds.[62]

November 17:

  • The Forerunner Dreadnought enters Earth's atmosphere. John-117 ejects from the ship upon reentry, landing in the jungles near Mount Kilimanjaro.[62]
  • Battle of Voi. The Prophet of Truth uses the Forerunner Dreadnought to activate the Portal, and his loyalist fleet follows it through the portal. The Flood-infested Voi, only to be contained by the Sangheili fleet.[46]

December 11

  • News spreads wide through Sangheili fleets, who take in some instances up arms against their Prophet escorts and, more widely, against the Jiralhanae.
  • Truth and his loyalists arrive at the Ark, pursued by the Sangheili Fleet of Retribution. A massive battle begins over the Ark. All of Truth's vessels are eventually destroyed over the Ark by the Sangheili fleet.[47]
  • Sangheili and human forces fight their way to the Citadel. The Prophet of Truth, the last Hierarch of the Covenant, is executed by Thel 'Vadam with help from the Flood. John-117 stops the Ark from firing the Halo rings.[48]
  • High Charity is destroyed by John-117 after he overloads the city's main reactors causing them to detonate.[63]
  • Rtas 'Vadum evacuates all humans and Sangheili, via the Shadow of Intent, back to Earth.[63]
  • Arbiter Thel 'Vadam, John-117 and Sergeant Johnson battle to the control room of Installation 08. Guilty Spark runs rampant, killing Johnson before being subsequently destroyed by John-117. Installation 08's sentinels turn on the Spartan, Thel 'Vadam, and the Sangheili. The unfinished Installation 04 is activated, devastating the Ark and destroying the entire local Flood infestation including the Gravemind. These final events ended the Human-Covenant War.[50]
  • John-117, Cortana, and Thel 'Vadam escape the Ark. With their escape vessel, UNSC Forward Unto Dawn cut in half upon slipspace transition, only Thel 'Vadam gets back to Earth.[50]

Trivia[edit]

  • A "schism" is a division within a religious sect or denomination. The term "Great Schism" is sometimes used to describe real-world internal religious debates, most notably the East-West Schism, which led to the establishment of the Eastern Orthodox Church, and the Western Schism, which caused a split within the Roman Catholic Church.
  • In Halo: Contact Harvest, the Prophet of Truth foreshadows the Great Schism, noting that if the Sangheili ever separated from the Covenant, the entire government would collapse.[64]
  • According to the Bestiarum, the Unggoy were too indecisive to continue the rebellion and the true political motivation of the Mgalekgolo, if any, remained a mystery.
  • In Halo 3: ODST, it is implied that the Office of Naval Intelligence was aware of internal conflict within the Covenant from early on. During the level Tayari Plaza which takes place on October 20, Buck asks Dare about the Sangheili bodies lying around the city, as they appear to have been killed by the Jiralhanae; Dare responds that said information is classified.

Gallery[edit]

  • The Jiralhanae assume the title of Honor Guard from the Sangheili, accelerating the eventual conflict between the two races.

    The Jiralhanae assume the title of Honor Guard from the Sangheili, accelerating the eventual conflict between the two races.

  • Acting on the Prophets' orders, Tartarus and the Brutes betray the Arbiter and claim the "Sacred Icon".

    Acting on the Prophets' orders, Tartarus and the Brutes betray the Arbiter and claim the "Sacred Icon".

  • The Sangheili watch as the Jiralhanae Chieftains betray and murder their comrades, igniting the Schism.

    The Sangheili watch as the Jiralhanae Chieftains betray and murder their comrades, igniting the Schism.

  • Sangheili and Jiralhanae ships war above High Charity.

    Sangheili and Jiralhanae ships war above High Charity.

  • Civil war rages among the Covenant around High Charity.

    Civil war rages among the Covenant around High Charity.

  • Ships battle over High Charity.

    Ships battle over High Charity.

  • Brutal close-quarters fighting between Sangheili and Jiralhanae soldiers in one of High Charity's environmental modules.

    Brutal close-quarters fighting between Sangheili and Jiralhanae soldiers in one of High Charity's environmental modules.

  • Sangheili and Jiralhanae clash within High Charity's Mausoleum of the Arbiter.

    Sangheili and Jiralhanae clash within High Charity's Mausoleum of the Arbiter.

  • The Prophet of Truth's armada prepares to engage the Arbiter's Fleet of Retribution during the Battle of Installation 00.

    The Prophet of Truth's armada prepares to engage the Arbiter's Fleet of Retribution during the Battle of Installation 00.

  • Shipmaster Let 'Volir sees the conflict devolve into senseless feuds.

    Shipmaster Let 'Volir sees the conflict devolve into senseless feuds.

List of appearances[edit]

Notes[edit]

  1. ^ The massacre of the Sangheili on Earth on October 20, 2552 (witnessed in Halo 3: ODST) is regarded as an isolated incident leading up to the Schism, whereas the conflict at large is considered to have begun with the Sangheili's banishment from the Honor Guard and the subsequent outbreak of all-out hostilities within High Charity and its fleets on November 2.

Sources[edit]

  1. ^ a b c d Halo: Evolutions - Essential Tales of the Halo Universe "The Return" - "It was a terrible war. The Prophets provided the Brutes with powerful new weapons, hoping that they would in turn defend their Prophets against our wrath. But when the Prophets went into hiding, the lack of leadership allowed the Brutes to return to their savage nature and they soon began to fight against each other. This lack of solidarity made them much easier prey. Some of my fellow commanders continue that fight even now"
  2. ^ Ghosts of Onyx, chapter 27
  3. ^ Halo 2, campaign level Uprising
  4. ^ a b Halo: Ghosts of Onyx, page 240
  5. ^ a b Halo: Ghosts of Onyx, page 245
  6. ^ a b Halo: The Essential Visual Guide, page 25: "...when the High Prophet of Truth appointed the Brutes for his own security, proclaiming the Elites to be heretics deserving extermination."
  7. ^ Halo 2, campaign level Quarantine Zone
  8. ^ Halo: Ghosts of Onyx, page 208
  9. ^ a b Halo Waypoint, Universe: Jiralhanae: "The resulting conflict would be called the Great Schism, and it would divide the Covenant into two, ultimately forcing the Sangheili out." [archive]
  10. ^ Halo: Evolutions, The Return, page 247
  11. ^ Halo: The Cole Protocol, page 229
  12. ^ a b c Halo 2: Anniversary: Terminal 11: "In some cases, that influence was already being used to question the decisions of your Hierarchs. In fact, that very questioning often gave rise to the charges of heresy that so neatly removed the challenger from the Hierarchs' concern."
  13. ^ a b c Conversations from the Universe: Grunt Conversation "And you have ears, you've heard the disrespect the Jiralhanae show the Sangheili. They hate each other. The Sangheili have lived too long under the shelter of the Covenant as the strongest of us. The Jiralhanae come stomping along and suddenly it's not so simple as it was."
  14. ^ Halo 2: "Our Prophets are false! Open your eyes, my brothers! They would use the faith of our forefathers to bring ruin to us all! The Great Journey is a-"
  15. ^ Cole Protocol, page 247
  16. ^ Halo 2: Conversations from the Universe: Elite Conversation
  17. ^ Gamestop: Halo Wars 2: New Character Images and Details Revealed - "Decimus still harbors some resentment against the Elites under Atriox's banner due to how Elites treated the Brutes during the time of the Covenant"
  18. ^ Bestiarum "The Sangheili are, simply put, technological and societal equals of the Prophets yet, for a significant period, found themselves as the dominant military muscle for the entire Covenant structure"
  19. ^ Halo: First Strike, page 297
  20. ^ Halo: First Strike, page 407
  21. ^ a b c d Halo Waypoint, "Ten Twenty" history article
  22. ^ Halo Encyclopedia (2022 edition), page 461
  23. ^ a b Halo 3: ODST, campaign level Coastal Highway
  24. ^ a b Halo 2, campaign level Sacred Icon
  25. ^ Halo 2, campaign level Gravemind (level)
  26. ^ a b Halo Wars, Timeline
  27. ^ Gamestop: Halo Wars 2: New Character Images and Details Revealed - "This arrangement was deeply unpleasant for the Shipmaster, especially since Elites were used to lording over the Brutes during the time of the Covenant..."
  28. ^ Halo Waypoint: High Council
  29. ^ a b Halo 2, campaign level Uprising
  30. ^ Halo: Broken Circle, pages 219-222 (Google Play edition)
  31. ^ Halo Envoy
  32. ^ Halo: Evolutions The Return (Motion Comic) - "We were scouting for humans when the message came in. I could not comprehend what I was seeing. Our betrayal by the Prophets. The Slaughter of our leaders."
  33. ^ Halo: Glasslands, page 55
  34. ^ Halo: Broken Circle
  35. ^ Halo: Evolutions, "Wages of Sin", page 509
  36. ^ Halo: Broken Circle, page 242
  37. ^ a b c Halo 2, campaign level Gravemind
  38. ^ Halo: Broken Circle, page 250
  39. ^ Halo: Mortal Dictata, page 73
  40. ^ Halo: Mortal Dictata, page 141
  41. ^ Halo Waypoint, Tribute
  42. ^ Halo Encyclopedia (2022 edition), page 43
  43. ^ a b c d e f Halo 2, campaign level The Great Journey
  44. ^ Halo 3, campaign level The Covenant: "I will have my revenge on a Prophet, not a plague!"
  45. ^ Halo 3, campaign level The Storm
  46. ^ a b Halo 3, campaign level Floodgate
  47. ^ a b Halo 3, campaign level The Ark
  48. ^ a b Halo 3, campaign level The Covenant
  49. ^ Sacrifice
  50. ^ a b c Halo 3, campaign level Halo
  51. ^ Halo 3, multiplayer level Assembly
  52. ^ Halo: First Strike, page 96 (2010 edition)
  53. ^ Halo: Combat Evolved Anniversary, Terminal 11
  54. ^ Halo 2, campaign level The Arbiter
  55. ^ Halo 2, campaign level Metropolis
  56. ^ Halo 2, campaign level The Oracle
  57. ^ Halo 2, campaign level Regret
  58. ^ Halo 2, campaign level Quarantine Zone
  59. ^ Halo: Ghosts of Onyx, page 199
  60. ^ Halo: Ghosts of Onyx, page 189
  61. ^ Halo: Ghosts of Onyx, pages 244-245
  62. ^ a b Bungie.net: Bungie Weekly Update: 01/23/09
  63. ^ a b Halo 3, campaign level Cortana
  64. ^ Halo: Contact Harvest, page 152

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Wars in Covenant history
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