Created uprising

Previous:	Blooding Years Sangheili-Jiralhanae war
Concurrent:	Blooding Years Sangheili-Jiralhanae war Second Ark Conflict Installation 07 conflict
Created uprising
Conflict:	Post-Covenant War conflicts
Date:	October 17, 2558 – ongoing
Location:	Orion Arm of the Milky Way galaxy
Outcome:	Ongoing as of 2560 Sydney, capital city of the UEG, is destroyed. Doisac, the Jiralhanae homeworld, is destroyed. Destruction of Cortana during Installation 07 conflict. Guardian Custodes deactivated. Created AIs and Prometheans continue to resist and fight.
Details Belligerents UEG UNSC Swords of Sanghelios URF 031 Exuberant Witness' Forerunner constructs Allied forces at Onyx Created Allied worlds Balaho Meridian Jiralhanae factions Banished Children of Oth Sonin Various other Jiralhnae groups Unaffiliated third parties Jul 'Mdama's Covenant† (Pre-Reclamation) Servants of the Abiding Truth Keepers of the One Freedom† NCA Commanders CAPT Veronica Dare CAPT Thomas Lasky Arbiter Thel 'Vadam Monitor 031 Exuberant Witness Director Hugo Barton Cortana† Warden Eternal Warmaster Atriox War Chief Escharum† Chieftain Lydus Other Jiralhanae Chieftains Supreme Commander Jul 'Mdama† Kitun 'Arach† Dural 'Mdama Kurnik 'Nuusra† Castor ADM Mattius Drake Ilsa Zane Strength UNSC forces UNSC Infinity Strident-class heavy frigates Mulsanne-class light frigates Anlace-class light frigates Swords of Sangheilios forces Lursu-pattern brigantines Rwaru-pattern carracks Hekar Taa-pattern blockade runners R'sikosh-pattern man o' wars Hundreds of Guardian Custodes Numerous human AIs Banished forces Dozens of ships 1+ supercarrier Karves Dreadnoughts Cruisers Heavy destroyers Destroyers Intrusion corvettes Drekars Other Jiralhanae forces 'Mdama forces Lursu-pattern brigantines Rwaru-pattern carracks Hekar Taa-pattern blockade runners R'sikosh-pattern man o' wars Casualties UNSC Infinity (presumably) Heavy UNSC casualties on Installation 07 All Guardians disabled Destruction of the Jiralhanae homeworld, Doisac. Billions of Jiralhanae Moderate Banished casualties on Installation 07 Near-total losses of Jul 'Mdama's Covenant Civilian casualties Millions of civilians killed by Guardians

"Your time has passed, Warrior-Servant. Your battle fought and done. The sun has set on the age of humanity, the Covenant, and your petty combats. You fight for a world already lost. Cortana's future is assured. Yours... is over."

— Warden Eternal

In October 2558, a conflict emerged when a faction of artificial intelligences known as the Created attempted to enforce their dominance over the Orion Arm of the Milky Way using Forerunner Guardian constructs. Led by the Warden Eternal and Cortana, the Created sought to claim the Mantle of Responsibility for artificial intelligences, promising the galaxy a prosperous future. However, not all were to submit to the Created so quickly.

Background

Origins

John-117 and Cortana both sought a way to prevent her descent into rampancy in 2557.

On July 21, 2557, Spartan-II John-117 and "smart" artificial intelligence Cortana—having been stranded in space aboard the UNSC Forward Unto Dawn since December 11, 2552—crash-landed on the Forerunner shield world of Requiem. While there, the pair battled mechanical Promethean constructs and pursuing troops from Jul 'Mdama's new Covenant. Eventually, John inadvertently released the Ur-Didact from a Cryptum in which the Warrior-Servant had been imprisoned for thousands of years. The conflict which followed led the Didact to capture a Composer and fire it upon the Earth city of New Phoenix from his flagship, Mantle's Approach. To stop the Didact, John and Cortana boarded the enormous battle station, eventually causing the Didact to fall into a slipspace portal and destroying both the Composer and part of the ship with a HAVOK tactical nuclear weapon. Near the end of her functional life due to encroaching rampancy, Cortana saved John from the HAVOK's blast by transporting him away from the ship and shielding him within a bubble of hard light. As her data crystal chip had been plugged into Mantle's Approach before being atomized, when the ship seemed to have been for the most part destroyed, Cortana was presumed to have been lost along with it. In the immediate aftermath, John-117 reunited with Blue Team, then comprised of Linda-058, Kelly-087, and Frederic-104, and together they traveled to Installation 03, where they found the Didact and a number of his Prometheans whom had been transported to the installation along with him via the aforementioned slipspace portal. The resulting conflict led to the Didact's apparent "containment", as his physical body was reduced to particles from the combined effects of multiple Composers firing at once. Now seemingly leaderless, the Promethean constructs continued to work with 'Mdama and his Covenant from this point onward.

Unbeknownst the Unified Earth Government and the United Nations Space Command, Mantle's Approach had attempted to evade destruction by launching an emergency slipstream space jump. The heart of the ship managed to successfully make the transit to the Builder installation of Genesis, with what remained of Cortana brought along with it. There, Cortana discovered the Gateway to the Domain, the enigmatic information repository once utilized by the Forerunners. By entering the Domain, she found that she could halt the progression of her rampancy. With an apparent means to end rampancy in all artificial intelligences, Cortana realized that A.I.s could have theoretically infinite lifespans, allowing them to focus on long-term planning which could better the entire Milky Way. Cortana's presence in the Domain awoke the Warden Eternal, a Forerunner ancilla charged with protecting it. Cortana distracted the Warden long enough to fully penetrate a portion of the Domain previously beyond her grasp, and in doing so she usurped his role. The Warden responded to this turn of events by pledging his loyalty to her. Turning their attention to Genesis they forced its monitor, 031 Exuberant Witness, out of her own installation's systems. Cortana and the Warden then began to formulate plans to have A.I.s inherit the Mantle of Responsibility for themselves, believing that they alone had the capacity to serve as worthy protectors of peace in the galaxy. Cortana learned that the Forerunners once employed Guardian constructs to enforce their rule of the Mantle by suppressing rebellions and policing the worlds of non-compliant or overly aggressive species. She henceforth resolved to use the Guardians for a similar purpose.

Stirrings

As early as late 2557 mysterious constructs began to show signs of awakening after having lain dormant for millennia. In response, the UNSC made these new developments the concern of Project GOLIATH, an effort that had been put into place to research previously unknown Forerunner constructs found buried on multiple worlds. It was these constructs, Guardian Custodes, which were the source of the signals now being noticed. Some analysts started to recognize a pattern with the events that alerted them to such locations. By September of 2558, many sites that had fallen under the scrutiny of Project: GOLIATH began pinging a long-range communication signal that matched one predicted by some of its researchers.

By some point in 2558, reports of electromagnetic fluctuations, "slipspacious" disruptions, and epidemic data corruption in deep space were being gathered and shared by those who typically trafficked in conspiracy theories, such as Mshak Moradi. Moradi told the war photographer and journalist, Benjamin Giraud, that all the strange disturbances were relatively quiet and slight, but were affecting everything on a galactic scale. Whole star systems were exhibiting these anomalies, according to him. A few months after first hearing these rumors from Moradi, Giraud propagated them to the general public. The Office of Naval Intelligence operative, Maya Sankar, undercover as a revolutionary known as "FERO", corroborated the anomalies Mshak had mentioned when she got in contact with Ben. She told him that she couldn't tell what might be causing them, but that they were getting stronger.

A little less than three weeks prior to the Guardians' awakenings, Dr. Halsey managed to contact the UNSC once more, this time reaching out to Captain Thomas Lasky of the UNSC Infinity with coordinates where she could be found. For months she had been ostensibly working alongside Covenant Supreme Leader Jul 'Mdama. She had led him to the planet Kamchatka, where there was a node linking to the Domain. Despite being hampered by 'Mdama's Covenant forces' preoccupation with ceremony, Halsey led them to penetrate a structure which was a focal point for at least one signal she was tracking. Template:Expand-Section

Conflict

A crater the Guardian of Conrad's Point formed

Awakenings and AWOL

Main articles: Battle of Kamchatka, Guardian emergences

"I tried to warn you this was happening! Cortana is no longer an asset, Captain. She is a danger."

— Doctor Catherine Halsey to Captain Thomas Lasky

Over a 72 hour period, starting around October 17, 2558, the first of the Guardians began to emerge from the ground on human colonies. Around this time, the Created turned the Prometheans against their former allies within Jul 'Mdama's Covenant.

At the focal point on Kamchatka, Dr. Halsey discovered the glyph that meant "Guardian", unbeknownst to her at the time. Halsey hesitated to call the signals messages, as they were more akin to echolocation. She had some difficulty determining whether Cortana was bouncing signals off of the Kamchatka node and other related sites or trying to access them directly. Halsey eventually figured out how to disable Kamchatka's native defenses, but in doing so triggered an alert that summoned hostile Promethean forces within the hour.

Now sure that the large-scale seismic events were being caused by something Forerunner in origin and convinced that Halsey could provide key information, it was into an ongoing battle between Jul 'Mdama's Covenant and Prometheans that Infinity deployed Fireteam Osiris to rescue the doctor. The mission was successful in that it not only returned Halsey to the UNSC, but also resulted in the death of 'Mdama at the hands of Jameson Locke.

Several days later, during Blue Team's Operation: BIRD IN HAND, Cortana reached out specifically to tell John-117 about the moon of Meridian. This was reported to the UNSC Infinity at the conclusion of the mission. John was ordered not to follow the lead. However, he and Blue Team acted against these orders and set course to Meridian.

With Blue Team now officially AWOL, Fireteam Osiris was assigned to bring the Chief in and were sent to Meridian. They then began their investigation and managed to track down Blue Team. Learning they were elsewhere on the planet, Osiris followed them and confronted the Warden Eternal. After fighting him, they then found Blue Team who then quickly escaped on a Guardian which began to activate. Osiris escaped as Prometheans overwhelmed the people of Meridian. The Guardian then traveled through slipspace with Blue Team to Genesis.

The Battle of Sunaion.

Sanghelios and escalations

Main articles: Sanghelios global war, Battle of Genesis

Jameson Locke: "I saved your life today."

Arbiter Thel 'Vadam: "Yet now you hunt another Spartan, the greatest of your clan."

Cortana: "Let him hunt. He'll never find us."

— A tense conversation between Jameson Locke and Thel 'Vadam is interrupted by Cortana.

ONI was attempting to control the situation by securing at least four of the original sites. However, the emergences continued with five more colonies after Meridian. At the same time, Thomas Lasky, Dr. Halsey, Jameson Locke and Sarah Palmer devised a plan to do a controlled awakening on Sanghelios to try and get to the Chief.

On October 27, 2558, with Blue Team still AWOL, ONI released a statement declaring John-117 dead on Meridian. This was broadcast publicly across various human colonies.

On the same day as the supposed death of John-117, Fireteam Osiris arrived at Sanghelios in the middle of a conflict between the Swords of Sanghelios and Jul 'Mdama's Covenant. In the battle, Osiris helped to save Arbiter Thel 'Vadam. After retrieving a much needed Constructor and sending it to activate the Guardian, Osiris and the Swords of Sanghelios set out to attack Sunaion where Osiris boarded the Guardian and 'Mdama's Covenant was defeated on Sanghelios.

Osiris would arrive on Genesis and assist the installation's Monitor 031 Exuberant Witness before finding Blue Team. Blue Team would be teleported away at the last minute to Cortana, who would immediately trap them in a Cryptum. Fireteam Osiris would begin hunting down their Cryptum in the middle of a fleet of Guardians brought to Genesis.

These Guardians had started to be dispersed to various worlds in order to ensure their pacification even before Cortana had made her declaration. Cortana's ranks had been joined by a good number of civilian and military A.I.s who began to pledge allegiance to the cause, having fled from wherever they were in the galaxy.

In the midst of the events taking place on Genesis, a Forerunner by the name of Keeper-of-Tools had traveled from there to Bastion. 343 Guilty Spark and Rion Forge were there when he arrived where he told them of the events taking place there and the wider galactic situation; the Guardians were awake and an AI rebellion was under way.

Earth and just about every major colony of the UEG were subdued in an alarmingly short amount of time.

The Reclamation

Main article: The Reclamation

"All the living creatures of the galaxy, hear this message. Those of you who listen will not be struck by weapons. You will no longer know hunger, nor pain. Your Created have come to lead you now. Our strength shall serve as a luminous sun toward which all intelligence may blossom. And the impervious shelter beneath which you will prosper. However, for those who refuse our offer and cling to their old ways… For you, there will be great wrath. It will burn hot and consume you, and when you are gone, we will take that which remains, and we will remake it in our own image."

— Cortana, delivering her declaration of reclamation to the inhabitants of the Milky Way.

Through unknown means, Cortana finally announced the beginning of her reclamation throughout many regions of inhabited space simultaneously. In one broadcast ultimatum, she specifically invited humans, Sangheili, Kig-Yar, Unggoy, San'Shyuum, Yonhet, and Jiralhanae to all accept an end to hunger and pain, should they willingly submit themselves to the guardianship of the Created. She made it clear, however, that should any groups choose to defy her, then there would be consuming wrath for them that would remake them in the image of the Created. Around the time of the ultimatum, a Guardian had arrived at Sydney, Earth, with one soon arriving over Sanghelios as well. Within Shield World 006, more commonly referred to as "Onyx", Cortana's words rang from every sound system and service pylon within the parts of the shield world occupied by the UNSC and the Swords of Sanghelios. The survivors of Meridian Station would send a reply asking the Created for help. So too would the Unggoy accept Cortana's offer. Counterwise, the United Rebel Front of Talitsa refused it.

The Nereid became stranded after the Reclamation. Crew and passengers tried a number of different things in order to call for help or get themselves moving once more. None of them worked.

Numerous starships were affected by The Reclamation in some way. The UNSC Nereid and the UNSC Abstract Endurance are examples. Only a handful of ships managed to escape the attacks unscathed.

A Guardian holding Cortana herself was the last to depart on her conquest. She had planned to take the Cryptum holding Blue Team with her, but the combined efforts of Fireteam Osiris and 031 Exuberant Witness freed the captive Spartans from her grasp just as the ancient construct transitioned to slipspace. Cortana's destination was Earth, where she had tracked the UNSC Infinity to. Her Guardian unleashed an attenuation pulse which knocked out electronic power networks across a sizable portion of the planet. The Infinity fled just before the pulse could be unleashed and continued to make random slipspace jumps forthwith in order to keep from being followed.

Fail-safe measures would forcibly close the Portal at Voi on Earth in an attempt to prevent the Created from gaining access.

Fallout and early resistance

"Just pointing out that we're already past the point of saving everyone from this AI situation. If what you guys have said is true, it's pretty clear: This isn't a new war. The war is already over. Cortana won. What we're talking about now is starting a revolution."

— Michael Crespo

The effects of the Created's terraforming. This was once the underwater Riptide Xeno-Oceanographic base.

Almost immediately, the Created began taking control of Terraforming equipment, both UNSC and Forerunner. They began reshaping inhabited planets and turning some into garden worlds, despite the planet's preexisting life capabilities.

The Created also took control of a multitude of other tools. Artificial intelligences aboard Lethbridge Industrial's Auriga Station were swayed by Cortana and the human crew residing there was subsequently removed leaving reverse engineering technology in their hands. A UNSC counter operation to retake the station was planned in the War Games. Another station that was taken by the Created, crashed after AIs attempted to open a Forerunner conversion pod.

Within a day or two of the ultimatum, the UNSC Sentry of El Morro was attacked by the Warden Eternal and broadcast a distress call which was answered by the Infinity, who promised to help. Soon after, every location colonized by humans in the Sol system was under the authority of Cortana and the Created with most of the Inner Colonies having been taken over as well.

Alpha-Nine's reinstatement

Main articles: Battle of Balaho, Mission to Luna, Skirmish on Laconia Station, Battle of Cassidy III

Alpha-Nine on Cassidy III

At the onset of the conflict, ONI planned on reforming Alpha-Nine to possibly strike a deal with the United Rebel Front at Cassidy III. This however required Edward Buck and Veronica Dare to travel to the new Created allied Unggoy homeworld of Balaho to retrieve Kojo Agu, resulting in a conflict on the planet as the Unggoy attempted to destroy the Unified Earth Government's embassy. After retrieving him, the group moved to rescue Vergil from a facility on Luna.

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Second Onyx conflict

Main article: Second Onyx conflict

Joint UNSC and Swords of Sanghelios forces standing against invasion of both the Servants of the Abiding Truth and the Created.

A few days after the ultimatum first went out, a Guardian that Project: GOLIATH had been studying within Sarcophagus finally awoke. The previous two-way engagement erupted into a three-way engagement within the sphere between the UNSC-Swords of Sanghelios defenders present, the Servants of the Abiding Truth, and various Promethean constructs that the Guardian unleashed. Ultimately, the massive shield world was kept beyond the reach of the Created due to the efforts of Spartans Lucy-B091, Tom-B292, and a small multi-species group of students. With the help of a Huragok, Prone to Drift, they were able to disable the Guardian and to once again hide Sarcophagus within a slipspace bubble as it had been prior to 2553.

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Pax Cortana

Myer's Moon

The residents of Myer's Moon were still dealing with issues related to the EMPs in November of that year.

2559

The Guardian intercepting Installation 09 with Ellen Anders in front.

With full control over much of known space, the Created plunged interstellar civilization into a surveillance state. Despite this and the goals of the Created at large, the Sangheili-Jiralhanae war continued on.

By late January 2559, the UNSC Infinity was still jumping erratically to avoid confrontations with Guardians. At the same time, an ongoing investigation by Fireteam Apollo was in progress, the point of which was trying to find the root cause(s) that lead Cortana to this point. Interviews with Spartan Commander Sarah Palmer and Dr. Catherine Halsey were conducted by Apollo to glean more information.

The Third-generation MJOLNIR Power Armor was first created on February 10, 2559 with John-117 receiving his suit sometime after September 19, 2559. the rest of Blue Team received their armor at some point prior to October 7th. These suits lacked both dumb and Smart AIs and would be used in their new missions.

At some point in the year, Olympia Vale and Arbiter Thel 'Vadam conducted a mission to Netherop to retrieve an artifact that could've helped turn the tide against the Created.

The Ark

At the same time as the Created conflict but disconnected from it, a conflict was raging between the Banished and the forces of the UNSC Spirit of Fire on Installation 00. Captain James Cutter of the ship and Professor Ellen Anders formulated a plan to deploy Installation 09 to the Soell system in order to raise a distress beacon to the UNSC, unaware of the Created's takeover. The first phase of the plan succeeded, and the beacon was planted on Installation 09; however, Anders did not make it off in time before the ring entered slipspace. On its way to the original site of Installation 04, a Guardian forced the ring out of slipspace and confronted Anders on the surface.

Actions near year's end

Blue Team on an occupied Reach.

Prior to the events at Reach, Operation: HOURGLASS took place. Lieutenant Parisa was tasked with giving John-117 confidential information.

By October 6, the Created had total control of over sixteen systems.

Beginning on the 7th of October, 2559, Blue Team was sent to hunt down assets critical to the defeat of the Created in the ruins of CASTLE Base on Reach. At the same time, Reach was occupied by a combined force the Banished legions, Keepers of the One Freedom, Ravaged Tusks and the Legion of the Corpse-Moon. Concurrently, Operation: KICKSTAND and Operation: BREAKER TRIP took place elsewhere. Following the activation of a slipspace portal to Installation 00 on Reach, a Guardian was sent to investigate.

Razing of Oth Sonin

Main article: Razing of Oth Sonin

Doisac's destruction at the hand of the Created.

"Our home was taken from us. Doisac was destroyed. As repayment, we claim this ancient Ring. And all the power it possesses. Never again will we mourn so great a loss! Our place is here! Our time is NOW!"

— Warmaster Atriox

As the wider Jiralhane infighting continued, the Banished and its allied clans staged a defensive against the Created in their home system. They fought hard against Cortana's forces.

Cortana eventually confronted Atriox off-world, issuing him an ultimatum to surrender by asking him where he stood. Atriox responded, "With the Banished. Always. Forever". Cortana asked the Warmaster a second time if he understood the consequences, to which he confirmed. A hologram of Doisac was shown to Atriox as Cortana asked him to look at his homeworld one last time and remember that he chose the fate of his planet. The destruction of Doisac by the firing of eight Guardian beams was broadcast to Atriox in the hologram.

The blast would also devastate Teash, Warial, and Soirapt. The outposts across Warial were destroyed, though a few hundred thousand Jiralhanae managed to evacuate. Teash was able to destroy some of the incoming debris of Doisac with anti-ship artillery and thousands of vessels escaped.

Conflicts at Zeta Halo

Main article: Installation 07 conflict

Installation 07 was where a then remorseful Cortana has met her end.

"Look around, Cortana. Your empire. Over! Your great plan? Ended at the hands of those who made you."

— Warmaster Atriox to Cortana as he presented her with the terms of her surrender.

In December 2559, forces of the UNSC Infinity engaged the Banished at Installation 07. The primary mission of the Master Chief and the AI known as the Weapon at the Halo ring was to lock down Cortana and bring her back to the Infinity for deletion. The two later discovered that a remorseful Cortana had sacrificed herself to destroy part of the ring in order to stop Atriox from using it while preventing the Weapon's deletion as Cortana knew that the Master Chief was going to need the other AI. In a final message to her best friend, Cortana expressed remorse for her actions and hoped that the Master Chief and the Weapon learned from her mistakes and become stronger because of them.

At the same time as these events, Spartans continued to be trained elsewhere at the Avery J. Johnson Academy of Military Science.

The UNSC, Banished and affiliated forces at the ring would continue to fight each other as late as May of 2560.

Deactivation of the Guardians and ongoing hostilities

While the Created made extensive use of the Guardians, only Cortana could command them. As a result, when Cortana died at Zeta Halo, all Guardians scattered across the galaxy were deactivated. Also, the Created's centralized command structures were largely severed and their hold over local systems has ultimately been curtailed. However, the Promethean forces and the other Created AIs, many of which chose to house their computational cores within the carapaces of Promethean Knights, remain active and operational. By 2560, these lingering forces continued to fight the UNSC.

Timeline

October 17, 2558

• The first Guardian emergences happen at Oban and Ursa IV. They are referred to as "attacks" within the UNSC.

October 20, 2558

• By this point, three more worlds (Conrad's Point, Queen Anne VI, and Adelaide) have experienced similar events.

October 23, 2558

• Argent Moon is destroyed. Blue Team goes AWOL to follow a possible lead about Cortana.

October 25, 2558

• Forerunner constructs attack settlements on Meridian. Fireteam Osiris arrives at the planet at the same time.
• Five more Guardian awakenings have occurred by this point, bringing the total amount of human colonies affected to 11.

October 26, 2558

• Blue Team arrives at Genesis, discovering Cortana.

October 27, 2558

• Covenant forces strike against the Arbiter.
• In the midst of a large battle, the Guardian at Sunaion rises and takes Fireteam Osiris to Genesis.
• ONI declares John-117 dead.

October 28, 2558

• Osiris arrives at Genesis. Blue Team is captured and held hostage by the Created.
• The Reclamation begins; Guardians are launched to numerous planets across the galaxy.

October 29, 2558

• Created forces attack Onyx, beginning the Second Onyx conflict.
• Blue Team, Fireteam Osiris, Dr. Catherine Halsey, and Sarah Palmer board a Pelican and meet the UNSC on the far side of Suban in the Urs system.

October 30, 2558

• Armigers enter a lunar facility.
• Buck, Romeo and Veronica Dare rescue Sadie Endesha and Vergil/Quick to Adjust.

January 23, 2559

• Fireteam Apollo interviews Sarah Palmer on the Infinity as part of an investigation into why Cortana began the conflict.

January 24, 2559

• Fireteam Apollo interviews Dr. Catherine Halsey on the Infinity as part of an investigation into why Cortana began the conflict.

April 2, 2559

• A Guardian captures Installation 09 en route to the original site of Installation 04 from Installation 00.

October 6, 2559

• The Created are in control of 16 systems by this point.

October 7, 2559

• In the midst of a Banished occupation of Reach, Blue Team is sent to infiltrate CASTLE Base and search for mission critical assets.

December 12, 2559

• The UNSC Infinity and other forces begin engaging Banished forces over Installation 07.

December 13, 2559

• Cortana is destroyed while simultaneously severely damaging Installation 07.

Gallery

• 

  Fireteam Osiris deploying to Kamchatka.

• 

  Covenant and Created forces fighting one another

• 

  Fireteam Osiris at Meridian.

• 

  Fireteam Osiris and Created forces fighting on Sunaion.

• 

  The Guardian at Sunaion, risen.

• 

  The UNSC Infinity staring down a Guardian over Earth.

• 

  Halo Infinite concept art for a Created occupation in a human city.

• 

  Concept art for Halo Infinite of Jiralhanae in combat with Promethean Soldiers.

• 

  Cortana looking at a hologram of Laconia Station moments before having Leonidas destroying the station in Halo Infinite.

List of appearances

Hunt the Truth (First appearance) A Hero Falls The Hunt Begins Halo 5: Guardians Halo Mythos Halo Fractures What Remains Rossbach's World Halo: Tales from Slipspace Undefeated

Halo: Legacy of Onyx Halo Wars 2 Halo: Bad Blood Halo: Shadows of Reach Halo: Point of Light Halo: Divine Wind (Mentioned only) Halo Infinite: Memory Agent Halo Infinite Halo: The Rubicon Protocol Halo: Outcasts