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{{Era|Forerunner|Post}}
{{Status|Canon}}
{{Center|This article is about the machine. For the [[Halo 4]] level, see [[Composer (level)]]; for the achievement, see [[Composer (achievement)]].}}
{{Center|This article is about the machine. For the [[Halo 4]] level, see [[Composer (level)]]; for the achievement, see [[Composer (achievement)]].}}
{{Quote|The Composer! So many possibilities and capabilities tied up in that strange name... A Composer of minds and souls!|[[Forthencho|Forthencho, Lord of Admirals]]<ref name="p232">'''Halo: Primordium''', ''page 232-233''</ref>}}
{{Quote|The Composer! So many possibilities and capabilities tied up in that strange name... A Composer of minds and souls!|[[Forthencho|Forthencho, Lord of Admirals]]{{Ref/Novel|Id=p232|Pri|Page=232-233}}}}
{{Forerunner Infobox
{{Forerunner infobox
|image= [[File:H4-ComposerDevice-ScanRender.png|100px]]
|image= [[File:H4-ComposerDevice-ScanRender.png|100px]]
|role= [[Mind transfer|Sublimation device]]
|role= [[Mind transfer|Sublimation device]]
|length={{Convert|126.7|ft|m|disp=flip|sigfig=3|sp=us}}<ref name="h4evg"/>
|length={{Convert|126.7|ft|m|disp=flip|sigfig=3|sp=us}}{{Ref/Reuse|h4evg}}
|height={{Convert|207.6|m|ft|sigfig=3|sp=us}}<ref name="h4evg"/>
|height={{Convert|207.6|m|ft|sigfig=3|sp=us}}{{Ref/Reuse|h4evg}}
|mass={{Convert|28.7|m|ft|sigfig=3|sp=us}}<ref name="h4evg"/>
|mass={{Convert|28.7|m|ft|sigfig=3|sp=us}}{{Ref/Reuse|h4evg}}
|mass-title=Width
|mass-title=Width
|armament=[[Builder]]s
|armament=[[Builder]]s
|armament-title=Designer
|armament-title=Designer
|armor=[[Composer's Forge]]<ref name="HE9">'''Halo: Escalation''', ''[[Halo: Escalation Issue 9|Issue #9]]''</ref>
|armor=[[Composer's Forge]]{{Ref/Comic|Id=HE9|HE|Issue=9}}
|armor-title=Manufacturing site
|armor-title=Manufacturing site
}}
}}


The '''Composer'''<ref group="note">In ''Halo: Primordium'' and ''Halo 4'' the Composer is consistently referenced as a singular entity, though ''Halo: Silentium'' establishes that there were actually multiple Composers; this is reflected in ''Halo: Escalation''. In light of this information it can be assumed that "the Composer" refers to the device as a unique invention as opposed to a single object, much as the Halos are sometimes referenced with the collective "Halo".</ref><ref name="h4evg">'''[[Halo 4: The Essential Visual Guide]]''', ''page 132''</ref> is a machine created by the [[Forerunner]]s to [[mind transfer|translate]] an organic being's mental content into machine data.<ref name="h4">'''Halo 4'''</ref> Categorized as a sublimation device,<ref name="h4evg"/> the Composer was meant to provide seamless transitions between biological and digital states. The machine was later appropriated to counteract the [[Flood]],<ref name="wp composer">[https://www.halowaypoint.com/en-us/universe/tech/composer '''Halo Waypoint - Universe''': ''Composer'']</ref> although it failed to save the parasite's victims and was quickly abandoned in this capacity. Despite this, the Composer was later used for a number of purposes beyond its original function.<ref name="string3">'''Halo: Silentium''', ''pages 40-41''</ref>
The '''Composer'''{{Ref/Note|In ''Halo: Primordium'' and ''Halo 4'' the Composer is consistently referenced as a singular entity, though ''Halo: Silentium'' establishes that there were actually multiple Composers; this is reflected in ''Halo: Escalation''. In light of this information it can be assumed that "the Composer" refers to the device as a unique invention as opposed to a single object, much as the Halos are sometimes referenced with the collective "Halo".}}{{Ref/Book|Id=h4evg|H4EVG|Page=132}} is a machine created by the [[Forerunner]]s to [[mind transfer|translate]] an organic being's mental content into machine data.{{Ref/Game|Id=h4|H4}} Categorized as a sublimation device,{{Ref/Reuse|h4evg}} the Composer was meant to provide seamless transitions between biological and digital states. The machine was later appropriated to counteract the [[Flood]],<ref name="wp composer">[https://www.halowaypoint.com/en-us/universe/tech/composer ''Halo Waypoint - Universe'': ''Composer'']</ref> although it failed to save the parasite's victims and was quickly abandoned in this capacity. Despite this, the Composer was later used for a number of purposes beyond its original function.{{Ref/Novel|Id=string3|Sil|Page=40-41}}


==Function==
==Function==
===Overview===
===Overview===
[[File:Composer Face Melt.jpeg|left|thumb|150px|The effects of composition on [[Sandra Tillson|Dr. Sandra Tillson]]]]
[[File:Composer Face Melt.jpeg|left|thumb|150px|The effects of composition on [[Sandra Tillson|Dr. Sandra Tillson]].]]
The Composers were originally designed as a means by which to extract the mental pattern (commonly known as an essence) of a biological being of sufficient neural complexity and converting it into data by broadcasting high-energy fields of entangled sympathies. The process, which was not fully understood by even its Forerunner creators, utilized [[neural physics]], a phenomenon once mastered by the [[Precursor]]s — one of select few Forerunner technologies to do so. According to the original design, the Composer would allow old Forerunners to transfer their essences into younger bodies or directly into the [[Domain]]'s vast realms of information.<ref name="wp composer"/><ref group="note">''[[Halo 4: The Essential Visual Guide]]'' and Halo Waypoint's Universe entry describe the Composer's original function as granting the Forerunners immortality by transferring old essences into youthful bodies, implying that Forerunner medical science had not overcome senescence. According to ''[[Halo: Cryptum]]'' (page 47) along with a number of other references throughout ''The Forerunner Saga'', the Forerunners were functionally immortal given regular access to [[Forerunner personal armor|personal armor]], could remain youthful indefinitely and died only by accident or in battle. However, it is known that Forerunners could age under certain circumstances, even if such aging was unlikely to result in death: after 1,200 years of self-neglectful isolation, the [[Confirmer]]'s skin became mottled with bulging veins, his fur fell out, and his teeth fused together. The issue of Forerunner mortality by old age is not addressed when the Composer's origins are described in ''[[Halo: Silentium]]''. In ''Halo 4'' the Librarian states that the Composer would have made the Forerunners immortal, although this may be interpreted as ''true'' immortality and invulnerability to the Flood, as opposed to the [[Wikipedia:Biological immortality|biological immortality]] the Forerunners already enjoyed thanks to their use of body-assist armor.</ref> The technology was worked on in obscurity for centuries. In the latter days of the [[human-Forerunner wars]], after the Forerunners' first contacts with the [[Flood]], [[Master Builder]] [[Faber]], took note of the Composers and planned to use the devices to cure the parasite's victims.<ref name="wp composer"/> The plan was to save those afflicted by the Flood by scanning their patterns and removing any traces of the Flood from the digital essence, which would then be imprinted on a new, artificially constructed biological body devoid of Flood infection. However, the process was highly flawed. In addition to being extremely painful to the individuals undergoing the process, all attempts to restore the essences to biological form failed as the artificial bodies would quickly decay and inevitably die.<ref name="string3"/> For this reason the Forerunners quickly abandoned the Composers after the first experiments.<ref name="pri271">'''Halo: Primordium''', ''pages 271-272''</ref><ref name="whole" group="note">In ''[[Halo: Escalation Issue 9]]'', the monitor [[859 Static Carillon]] indicates that the human essences composed in New Phoenix are being "added to the whole" in accordance with the original design for the Composer, introducing fear, rage, and confusion. This implies that composed patterns are uploaded to a central intelligence, though whether this applies solely to the Promethean Knights or to all who who undergo composition is unclear. Nonetheless, the notion of composed essences being incorporated into a gestalt mind is not mentioned in prior media.</ref>
The Composers were originally designed as a means by which to extract the mental pattern (commonly known as an essence) of a biological being of sufficient neural complexity and converting it into data by broadcasting high-energy fields of entangled sympathies. The process, which was not fully understood by even its Forerunner creators, utilized [[neural physics]], a science mastered by the [[Precursor]]s — one of select few Forerunner technologies to do so. According to the original design, the Composer would allow old Forerunners to transfer their essences into younger bodies or directly into the [[Domain]]'s vast realms of information.{{Ref/Reuse|wp composer}}{{Ref/Note|''[[Halo 4: The Essential Visual Guide]]'' and Halo Waypoint's Universe entry describe the Composer's original function as granting the Forerunners immortality by transferring old essences into youthful bodies, implying that Forerunner medical science had not overcome senescence. According to ''[[Halo: Cryptum]]'' (page 47) along with a number of other references throughout ''The Forerunner Saga'', the Forerunners were functionally immortal given regular access to [[Forerunner personal armor|personal armor]], could remain youthful indefinitely and died only by accident or in battle. However, it is known that Forerunners could age under certain circumstances, even if such aging was unlikely to result in death: after 1,200 years of self-neglectful isolation, the [[Confirmer]]'s skin became mottled with bulging veins, his fur fell out, and his teeth fused together. The issue of Forerunner mortality by old age is not addressed when the Composer's origins are described in ''[[Halo: Silentium]]''. In ''Halo 4'' the Librarian states that the Composer would have made the Forerunners immortal, although this may be interpreted as ''true'' immortality and invulnerability to the Flood, as opposed to the [[Wikipedia:Biological immortality|biological immortality]] the Forerunners already enjoyed thanks to their use of body-assist armor.}} The technology was worked on in obscurity for centuries. In the latter days of the [[human-Forerunner wars]], after the Forerunners' first contacts with the [[Flood]], [[Master Builder]] [[Faber]] took note of the Composers and planned to use the devices to cure the parasite's victims.{{Ref/Reuse|wp composer}} The plan was to save those afflicted by the Flood by scanning their patterns and removing any traces of the Flood from the digital essence, which would then be imprinted on a new, artificially constructed biological body devoid of Flood infection. However, the process was highly flawed. In addition to being extremely painful to the individuals undergoing the process, all attempts to restore the essences to biological form failed as the artificial bodies would quickly decay and inevitably die.{{Ref/Reuse|string3}} For this reason the Forerunners quickly abandoned the Composers after the first experiments.{{Ref/Novel|Id=pri271|Pri|Page=271-272}}{{Ref/Note|Id=whole|In ''[[Halo: Escalation Issue 9]]'', the monitor [[859 Static Carillon]] indicates that the human essences composed in New Phoenix are being "added to the whole" in accordance with the original design for the Composer, introducing fear, rage, and confusion. This implies that composed patterns are uploaded to a central intelligence, though whether this applies solely to the Promethean Knights or to all who undergo composition is unclear. Nonetheless, the notion of composed essences being incorporated into a gestalt mind is not mentioned in prior media.}}


The physical effects of the Composer on its targets are also violent: the device projected a beam of orange light which completely reduces the targeted individuals to ash in a rather gruesome and painful manner. This is seemingly a byproduct of the machine's original design as a means to combat the Flood, allowing the complete destruction of infected biomass in a manner similar to certain Forerunner weapons designed to completely atomize their targets. The beam possesses the capability to process hundreds of thousands of targets in mere moments across enormous distances,<ref name="omega">'''Halo: Silentium''', ''page 263''</ref> such as composing targets on a planet's surface from an orbiting ship,<ref name="midnight">'''Halo 4''', campaign level ''[[Midnight]]''</ref> or those on the surface of an entire [[Halo Array|Halo]] [[Omega Halo|installation]] in an instant.<ref name="omega"/> [[Forthencho|Forthencho, Lord of Admirals]], the supreme commander of all human forces and one of the humans to have their minds harvested, described the effects of the Composer as "strange, ever-changing" and "multiformed", as it was operated in that instance via intermediary [[Lifeworker]] machinery.<ref name="p235">'''Halo: Primordium''', ''page 235''</ref>
The physical effects of the Composer on its targets are also violent: the device projects a beam of orange light which completely reduces the targeted individuals to ash in a rather gruesome manner, flaying their skin, muscle, and bones in an agonizing sequence. This is seemingly a byproduct of the machine's original design as a means to combat the Flood, allowing the complete destruction of infected biomass in a manner similar to certain Forerunner weapons designed to completely atomize their targets. The beam possesses the capability to process hundreds of thousands of targets in mere moments across enormous distances,{{Ref/Novel|Id=omega|Sil|Page=263}} such as composing targets on a planet's surface from an orbiting ship,{{Ref/Level|Id=midnight|H4|[[Midnight]]}} or those on the surface of an entire [[Halo Array|Halo]] [[Omega Halo|installation]] in an instant.{{Ref/Reuse|omega}} [[Forthencho|Forthencho, Lord of Admirals]], the supreme commander of all human forces and one of the humans to have their minds harvested, described the effects of the Composer as "strange, ever-changing" and "multiformed", as it was operated in that instance via intermediary [[Lifeworker]] machinery.{{Ref/Novel|Id=p235|Pri|Page=235}}


As witnessed on [[Installation 07]], Flood victims subjected to Composer processing were able to retain their individuality,<ref>'''Halo: Primordium''', ''pages 325-326''</ref> but the Flood would continue to rot and deform their physical bodies, the infection having survived the destruction of the original biological body and then resumed in the new one. The Forerunners attempted to slow down this process by wrapping the afflicted individuals' bodies in a form of supportive harness flowing with energy,<ref>'''Halo: Primordium''', ''pages 322-323''</ref> but the victims would still continue to deform beyond recognition and eventually expire or succumb to the Flood. Similarly, when the [[Gravemind]] used [[Logic plague#Biological beings|corrupted]], Composer-processed essences imprinted on living human bodies as messengers to the [[Librarian]] in her final moments on [[Earth]], the humans' bodies would rapidly decay and soon die.<ref>'''Halo: Silentium''', ''pages 320-323''</ref>
As witnessed on [[Installation 07]], Flood victims subjected to Composer processing were able to retain their individuality,{{Ref/Novel|Pri|Page=325-326}} but the Flood would continue to rot and deform their physical bodies, the infection having survived the destruction of the original biological body and then resumed in the new one. The Forerunners attempted to slow down this process by wrapping the afflicted individuals' bodies in a form of supportive harness flowing with energy,{{Ref/Novel|Pri|Page=322-323}} but the victims would still continue to deform beyond recognition and eventually expire or succumb to the Flood. Similarly, when the [[Gravemind]] used [[Logic plague#Biological beings|corrupted]], Composer-processed essences imprinted on living human bodies as messengers to the [[Librarian]] in her final moments on [[Earth]], the humans' bodies would rapidly decay and soon die.{{Ref/Novel|Sil|Page=320-323}}
 
As revealed by the [[Haruspis]], the Composer's power burned away the effects of the [[logic plague]] in anyone that it was used upon, freeing them of the Gravemind's corruption.{{Ref/Novel|Id=Epi20|Epi|20}}
 
The Composers Mooring Chamber is fitted with a translocation lock and reality anchor that impedes any unauthorized transportation of the device.{{Ref/Book|Id=Mythos Composer|HM|Page=165}} An Activation Channel is fitted to all Composers for it's versatile firing systems which direct the Composers energies along the lateral channel or in a uniform concentric pattern.{{Ref/Reuse|Mythos Composer}} The Targeting Mechanism of the Composer is designed to only target thinking life with sufficient neurological activity.{{Ref/Reuse|Mythos Composer}}


===Essence preservation===
===Essence preservation===
[[File:H4-SO-Durance-PrometheanSoul.jpg|right|250px|thumb|A visual manifestation of a Composer-processed human essence stored in a specialized [[Durance]]]]
[[File:H4-SO-Durance-PrometheanSoul.jpg|thumb|250px|A visual manifestation of a Composer-processed human essence stored in a specialized [[Durance]].]]
Minds scanned by the Composer could be processed in a variety of ways. The ancient human personalities extracted and stored by the Librarian at [[Charum Hakkor]] retained their essences in virtually unchanged form, preserving the victims' identities and even the records of their physical bodies, although the latter could not be reconstituted to biological form.<ref>'''Halo: Silentium''', ''page 320''</ref> These stored personalities could also be implanted into the genetic code of living beings, with said personalities achieving self-awareness and retaining their original identity within their new hosts; an example of this are the ancestral memory imprints of [[Chakas]] and [[Riser]]. The Composer could also be used to remove these imprinted personalities, although this did grave physical and mental damage to the individual carrying the imprint.<ref name="p355">'''Halo: Primordium''', ''page 355''</ref>
Minds scanned by the Composer could be processed in a variety of ways. The ancient human personalities extracted and stored by the Librarian at [[Charum Hakkor]] retained their essences in virtually unchanged form, preserving the victims' identities and even the records of their physical bodies, although the latter could not be reconstituted to biological form.{{Ref/Novel|Sil|Page=320}} These stored personalities could also be implanted into the genetic code of living beings, with said personalities achieving self-awareness and retaining their original identity within their new hosts; examples of this are the ancestral memory imprints of [[Chakas]] and [[Riser]]. The Composer could also be used to remove these imprinted personalities, although this did grave physical and mental damage to the individual carrying the imprint.{{Ref/Novel|Id=p355|Pri|Page=355}}
 
In the case of the [[Ur-Didact]]'s [[Promethean Knight]]s, the extracted neural map was used as the basis for [[artificial intelligence]] constructs in a manner similar to [[Cognitive Impression Modeling|the creation]] of human [[smart AI]]s. These intelligences contain many of their original memories and sometimes even portions of their personality, but otherwise behave within the limits of the duties assigned to them.{{Ref/SpOps|Id=memento|[[Memento Mori]]}} These essences were stored in imprint matrices known as [[Durance]]s, similar to the devices traditionally used to contain the last mental impressions of a deceased Forerunner.{{Ref/Book|H4EVG|Page=134}}


In the case of the [[Ur-Didact]]'s [[Promethean Knight]]s, the extracted neural map was used as the basis for [[artificial intelligence]] constructs in a manner similar to [[Cognitive Impression Modeling|the creation]] of human [[smart AI]]s. These intelligences contain many of their original memories and sometimes even portions of their personality, but otherwise behave within the limits of the duties assigned to them.<ref name="memento">'''[[Spartan Ops]]''', ''[[S1/Memento Mori|S1E5 ''Memento Mori'']]</ref> These essences were stored in imprint matrices known as [[Durance]]s, similar to the devices traditionally used to contain the last mental impressions of a deceased Forerunner.<ref>'''Halo 4: The Essential Visual Guide''', ''page 134''</ref>
If the Composer is disconnected from the Domain or an authorized information depository, it could store thousands of composed essences within the Sublimation Relay on the Composer itself.{{Ref/Reuse|Mythos Composer}}


===Immunization===
===Immunization===
The Composer does not work on all organic beings; certain individuals can, through genetic manipulation, become immune to its effects. After undergoing an experimental [[Forerunner mutation|mutation]] in an attempt to gain immunity to the Flood, the Ur-Didact's physiology became incompatible with the Composer,<ref name="h4terminals">'''Halo 4''', ''[[Terminal/Halo 4|Terminals]]''</ref> but even with his incompatible physiology, the Ur-Didact was composed by the firing of multiple Composers at the same time.<ref>'''[[Halo: Escalation]]''', ''[[Halo: Escalation Issue 10|Issue 10]]''</ref><ref name="wp didact">[https://www.halowaypoint.com/en-us/universe/characters/didact '''Halo Waypoint - Universe''': ''Didact'']</ref> Similarly, the ''[[geas]]'' the Librarian placed on humanity allowed [[SPARTAN-II program|Spartan]] [[John-117]] to develop a resistance to the Composer; this ability had to be activated and thus it does not automatically protect all humans from the device.<ref name="reclaimer">'''Halo 4''', campaign level ''[[Reclaimer (level)|Reclaimer]]''</ref>
The Composer does not work on all organic beings; certain individuals can, through genetic manipulation, become immune to its effects. After undergoing an experimental [[Forerunner mutation|mutation]] in a failed attempt to gain immunity to the Flood, the Ur-Didact's physiology became incompatible with the Composer,{{Ref/Game|Id=h4terminals|H4|Detail=[[Terminal (Halo 4)|Terminals]]}} but even with his incompatible physiology, the Ur-Didact was composed by the firing of several Composers at the same time.{{Ref/Reuse|HE10}}<ref name="wp didact">[https://www.halowaypoint.com/en-us/universe/characters/didact ''Halo Waypoint - Universe'': ''Didact'']</ref>{{Ref/Note|In ''Halo 4''{{'}}s Terminal Five, the Didact claims the Composer would not work on his new form, and in the level [[Midnight]] is seen levitating himself within the Composer's active beam. It is possible that the Didact was merely resistant to the effects of the Composer, rather than completely immune, as the energy released by the overlapping pulses of five Composers would be orders of magnitude greater than the energy released by a single pulse. In the Library Edition of ''Halo: Escalation'', however, it's stated by Brian Reed that the Ur-Didact wasn't composed but the explosion did do something to him.}} Although the Didact's mutations provided him with some resistance to the Composer's effects, they could not withstand the raw destructive force of neural physics from five Composers exploding all at once, resulting in the destruction of the Didact's physical form and his death. The Didact's digitized consciousness was subsequently uploaded to the outer boundaries of the [[Domain]].{{Ref/Novel|Id=Epi5|Epi|5}} Similarly, the ''[[geas]]'' the Librarian placed on humanity allowed [[SPARTAN-II program|Spartan]] [[John-117]] to develop a resistance to the Composer; this ability had to be activated and thus it does not automatically protect all humans from the device.{{Ref/Level|Id=reclaimer|H4|[[Reclaimer (level)|Reclaimer]]}}
{{Clear}}
{{Clear}}


==History==
==History==
===Creation and use at Charum Hakkor===
===Creation and use at Charum Hakkor===
First developed by the [[Builder]]s working in conjunction with [[Lifeworker]]s several centuries before the end of the [[human-Forerunner wars]],<ref name="wp composer"/> the Composers were constructed at a facility known as the [[Composer's Forge]]. In the centuries following the conflict this installation would come to be overseen by a [[monitor]] known as [[859 Static Carillon]], who was regarded as the keeper of the Composers.<ref name="HE9"/> While the many faults of the Composers were quickly recognized, the Forerunners would later find other uses for the devices.
First developed by the [[Builder]]s working in conjunction with [[Lifeworker]]s several centuries before the end of the [[human-Forerunner wars]],{{Ref/Reuse|wp composer}} the Composers were constructed at a facility known as the [[Composer's Forge]]. In the centuries following the conflict this installation would come to be overseen by a [[monitor]] known as [[859 Static Carillon]], who was regarded as the keeper of the Composers.{{Ref/Reuse|HE9}} While the many faults of the Composers were quickly recognized, the Forerunners would later find other uses for the devices.


After the [[Siege of Charum Hakkor|fifty-three-year siege]] of [[Charum Hakkor]], the strongly [[Builder]]-influenced [[Ecumene Council|Old Council]] intended to exact their vengeance on their [[prehistoric human civilization|human]] enemies and make sure the humans' fate would be as cruel as possible. Thus, even though the Forerunners already possessed other technologies capable of extracting an individual's memories and personality impressions,<ref>'''Halo: Cryptum''', ''pages 47-48, 138''</ref><ref name="sil57">'''Halo: Silentium''', ''page 57''</ref> the Council provided only Composers to the [[Librarian]] and her [[Lifeworker]]s when they were ordered to process the last human survivors.<ref name="string3"/> The essences of the archived humans would be preserved in future generations of humans, with the intent that they would share their knowledge with the devolved remnants of humanity and aid them in rebuilding their civilization. The Master Builder and other like-minded Forerunners intended to study the stored memories in hopes of discovering how humanity managed to defeat the Flood, subjecting machine-stored copies of the essences to tortuous interrogation over thousands of years.<ref>'''Halo: Silentium''', ''pages 41-43''</ref>
After the [[Siege of Charum Hakkor|fifty-three-year siege]] of [[Charum Hakkor]], the strongly [[Builder]]-influenced [[Ecumene Council|Old Council]] intended to exact their vengeance on their [[prehistoric human civilization|human]] enemies and make sure the humans' fate would be as cruel as possible. Thus, even though the Forerunners already possessed other technologies capable of extracting an individual's memories and personality impressions,{{Ref/Novel|Cry|Page=47-48, 138}}{{Ref/Novel|Id=sil57|Sil|Page=57}} the Council provided only Composers to the [[Librarian]] and her [[Lifeworker]]s when they were ordered to process the last human survivors.{{Ref/Reuse|string3}} The essences of the archived humans would be preserved in future generations of humans, with the intent that they would share their knowledge with the devolved remnants of humanity and aid them in rebuilding their civilization. The Master Builder and other like-minded Forerunners intended to study the stored memories in hopes of discovering how humanity managed to defeat the Flood, subjecting machine-stored copies of the essences to tortuous interrogation over thousands of years.{{Ref/Novel|Sil|Page=41-43}}


===Abandonment and later use===
===Abandonment and later use===
As a result of the risks and irregularities involved with their usage, the Forerunners eventually abandoned the Composers and their existence was made a closely guarded secret known to only a few.<ref name="pri271"/> Even the machines' actual nature remained obscure; whether the Composer was a machine or being remained uncertain to most. Some even believed the Composer to be a "product of its own services"; a Forerunner, perhaps a Lifeworker, suspended in the final stages of Flood infection.<ref name="p268">'''Halo: Primordium''', ''page 268''</ref><ref>'''Halo: Primordium''', ''page 278''</ref>
As a result of the risks and irregularities involved with their usage, the Forerunners eventually abandoned the Composers and their existence was made a closely guarded secret known to only a few.{{Ref/Reuse|pri271}} Even the machines' actual nature remained obscure; whether the Composer was a machine or being remained uncertain to most. Some even believed the Composer to be a "product of its own services"; a Forerunner, perhaps a Lifeworker, suspended in the final stages of Flood infection.{{Ref/Novel|Id=p268|Pri|Page=268}}{{Ref/Novel|Pri|Page=278}}


Around [[100,000 BCE]] the Lifeworkers no longer employed the long-abandoned Composers when scanning sentient beings for indexing in the [[Conservation Measure]], instead using a far gentler form of [[mind transfer#Full pattern uploading|pattern extraction]] technology.<ref name="sil57"/>
Around [[97,445 BCE]] the Lifeworkers no longer employed the long-abandoned Composers when scanning sentient beings for indexing in the [[Conservation Measure]], instead using a far gentler form of [[mind transfer#Full pattern uploading|pattern extraction]] technology.{{Ref/Reuse|sil57}}


A Composer was acquired and used by [[Master Builder]] [[Faber]] in an attempt to stave off Flood infection in certain Forerunners on [[Installation 07]]. While in control of Installation 07, [[Mendicant Bias]] and the [[Primordial]] also used the Composer to extract the ancestral memory imprints from [[Chakas]] and the other humans from [[Earth|Erde-Tyrene]].<ref name="p355"/>
A Composer was acquired and used by [[Master Builder]] [[Faber]] in an attempt to stave off Flood infection in certain Forerunners on [[Installation 07]]. While in control of Installation 07, [[Mendicant Bias]] and the [[Primordial]] also used the Composer to extract the ancestral memory imprints from [[Chakas]] and the other humans from [[Earth|Erde-Tyrene]].{{Ref/Reuse|p355}}


Later during the war the [[Ur-Didact|Didact]] used the Composer to convert the [[Promethean]] warriors loyal to him into [[Promethean Knight|robotic forms]] to allow them to combat the Flood more efficiently and without risk of infection. To bolster his numbers the Didact used the Composer on a number of humans transplanted to [[Omega Halo]], turning them into additional forces in his mechanized army. This led to his imprisonment on [[Requiem]] by the [[Librarian]].<ref name="h4terminals"/>
Later during the war, the [[Ur-Didact|Didact]] used the Composer to convert the [[Promethean]] warriors loyal to him into [[Promethean Knight|powerful robotic forms]], in order to allow them to combat the Flood more efficiently and without risk of infection. Lacking the sufficient numbers to turn the tide, the Didact forcibly used the Composer on a large population of humans transplanted to [[Omega Halo]], turning them into additional forces in his mechanized army. This led to his imprisonment on [[Requiem]] by the [[Librarian]].{{Ref/Reuse|h4terminals}}


===Rediscovery===
===Rediscovery===
====Installation 03====
====Installation 03====
[[File:H4-ComposerFiringOnPhoenix.jpg|left|250px|thumb|The Composer firing on the city of [[New Phoenix]] on Earth]]
[[File:HM-Composer extraction final.jpg|thumb|250px|A Composer being extracted from the surface of Installation 03.]]
One Composer was stored on Halo [[Installation 03]]. In late [[2554]]<ref>'''Halo 4''', campaign level ''[[Composer (level)|Composer]]'', [[Halo 4 audio logs|audio log]]''</ref> the [[United Nations Space Command|UNSC]] [[Office of Naval Intelligence]] discovered the machine, which they designated ''SBJ 8490-03'',<ref>'''[[Eleventh Hour reports]]''', ''Report 5/5''</ref> in a location known as the [[Composer's Abyss]]; after the flagship {{UNSCShip|Infinity}} extracted the device in [[2557]] it was transported to [[Ivanoff Station]], a research facility in the asteroid field in Installation 03's orbit. The machine was partially buried within the installation's surface and remained embedded in a large chunk of rock when the ship transported it to Ivanoff. Some of the scientists were digitized by the Composer while studying it and the sensor data from the incident contained coordinates that led ''Infinity'' to [[Requiem]].<ref>'''Halo 4''', campaign level ''[[Infinity (level)|Infinity]]''</ref>
One Composer was stored on Halo [[Installation 03]]. In late [[2554]]{{Ref/Level|H4|[[Composer (level)|Composer]]|Detail=[[Audio log (Halo 4)|audio log]]}} the [[United Nations Space Command|UNSC]] [[Office of Naval Intelligence]] discovered the machine, which they designated ''SBJ 8490-03'',{{Ref/Game|[[Eleventh Hour reports]]|Detail=Report 5/5}} in a location known as the [[Composer's Abyss]]; after the flagship {{UNSCShip|Infinity}} extracted the device in [[2557]] it was transported to [[Ivanoff Station]], a research facility in the asteroid field in Installation 03's orbit. The machine was partially buried within the installation's surface and remained embedded in a large chunk of rock when the ship transported it to Ivanoff. Some of the scientists were digitized by the Composer while studying it and the sensor data from the incident contained coordinates that led ''Infinity'' to [[Requiem]].{{Ref/Level|H4|[[Infinity (level)|Infinity]]}}


Upon awakening on Requiem in [[2557#July|July 2557]], the Didact headed for the Composer at his first opportunity and acquired the device after [[Raid on Ivanoff Station|launching an attack]] on Ivanoff Station. Planning to use the Composer to neutralize all of mankind by forever imprisoning them in digital form, he first used it on the research and security personnel of Ivanoff; Spartan [[John-117]] was the only survivor as a result of genetic modifications imbued by the Librarian. The Didact then set course for Earth in order to realize the final stage of his plan. He successfully fired the Composer on a [[United Republic of North America|URNA]] metropolis, [[New Phoenix]], but the effect was halted when John-117 destroyed the Composer, and the Didact's ship along with it, with a [[HAVOK tactical nuclear weapon]].<ref name="midnight"/> Some of the resulting digital intelligences survived, having been transported into the Composer's Abyss on Installation 03<ref>'''Halo: Escalation''', ''[[Halo: Escalation Issue 8|Issue #8]]''</ref> and later to Requiem via a slipspace transit portal connected to the Composer.<ref name="memento"/>
[[File:H4-ComposerFiringOnPhoenix.jpg|left|250px|thumb|The Composer firing on the city of [[New Phoenix]] on Earth.]]
Upon awakening on Requiem in [[2557#July|July 2557]], the Didact headed for the Composer at his first opportunity and acquired the device after [[Raid on Ivanoff Station|launching an attack]] on Ivanoff Station. Planning to use the Composer to neutralize all of mankind by forever imprisoning them in digital form, he first used it on the research and security personnel of Ivanoff; Spartan [[John-117]] was the only survivor as a result of genetic modifications imbued by the Librarian. The Didact then set course for Earth in order to realize the final stage of his plan. He successfully fired the Composer on a [[United Republic of North America|URNA]] metropolis, [[New Phoenix]], but the effect was halted when John-117 destroyed the Composer, and the Didact's ship along with it, with a [[HAVOK tactical nuclear weapon]].{{Ref/Reuse|midnight}} Some of the resulting digital intelligences survived, having been transported into the Composer's Abyss on Installation 03{{Ref/Comic|HE|Issue=8}} and later to Requiem via a slipspace transit portal connected to the Composer.{{Ref/Reuse|memento}}
{{Clear}}
{{Clear}}


====The Composer's Forge====
====The Composer's Forge====
[[File:Escalation - Composer's Forge Battle.png|thumb|250px|[[Blue Team]] and [[Promethean]]s battle in the [[Composer's Forge]].]]
[[File:Escalation - Composer's Forge Battle.png|thumb|250px|[[Blue Team]] and [[Promethean]]s battle in the [[Composer's Forge]].]]
{{Main|Skirmish on Installation 03}}
{{Main|Mission to Installation 03}}
Following the [[New Phoenix Incident]] the Didact was plunged to [[Installation 03]] through the Composer's slipspace portal. After killing a team of human scientists and their [[Black Team|Spartan escorts]], the Didact wished to seek revenge on Earth. Soon he encountered [[monitor]] [[859 Static Carillon]] at the [[Composer's Abyss]]. Recognizing the monitor as the keeper of the Composers, the Didact had Static Carillon show him [[slipspace portal|the entrance]] to the [[Composer's Forge]], where the Composers were constructed and maintained. Shortly after, [[Blue Team]] discovered the slipspace portal that led to the Forge. Upon entering the Spartans were shocked to discover six more Composers located inside the Forge. The Spartans were confronted by the Didact and a large firefight ensued, with numerous [[Promethean]] constructs backing up the Didact.<ref name="whole" group="note"/> Static Carillon had Gamma Halo appear over the Composer's Forge per his agreement with the Didact, who then took one of the six Composers and departed the Forge for the Halo. The monitor revealed to the Spartans that the Didact intended to use the Composer and the Halo to destroy humanity, starting with Earth. With Static Carillon's help Blue Team escaped the Composer's Forge and returned to Installation 03 through the Composer's Abyss.<ref name="HE9"/>
Following the [[New Phoenix Incident]] the Didact was plunged to [[Installation 03]] through the Composer's [[slipspace portal]]. After killing a team of human scientists and their [[Black Team|Spartan escorts]], the Didact wished to seek revenge on Earth. Soon he encountered [[monitor]] [[859 Static Carillon]] at the [[Composer's Abyss]]. Recognizing the monitor as the keeper of the Composers, the Didact had Static Carillon show him [[slipspace portal|the entrance]] to the [[Composer's Forge]], where the Composers were constructed and maintained. Shortly after, [[Blue Team]] discovered the slipspace portal that led to the Forge. Upon entering the Spartans were shocked to discover six more Composers located inside the Forge. The Spartans were confronted by the Didact and a large firefight ensued, with numerous [[Promethean]] constructs backing up the Didact.{{Ref/NoteReuse|whole}} Static Carillon had Gamma Halo appear over the Composer's Forge per his agreement with the Didact, who then took one of the six Composers and departed the Forge for the Halo. However, the monitor, feeling betrayed by the Didact because he broke his side of their bargain by creating more Prometheans, revealed to the Spartans that the Didact intended to use the Composer and the Halo to destroy humanity, starting with Earth. With Static Carillon's help Blue Team escaped the Composer's Forge and returned to Installation 03 through the Composer's Abyss.{{Ref/Reuse|HE9}}


Upon exiting the Abyss Blue Team witnessed the Didact positioning the Composer over the Halo. Intending to remove Blue Team as a threat the Didact attacked the Spartans.<ref name="HE9"/> While the Didact nearly defeated Blue Team, 859 Static Carillon ambushed him and teleported him away into the Halo's [[control room]], followed shortly by John who enabled the monitor to detach the segment of the Halo housing the control room, causing it to fall toward the Composer's Forge. The fragment impacted the Forge, destroying the five remaining Composers held there, but not before the Didact was subjected to their combined effects.<ref name="wp didact"/> While the Spartans returned to Earth Static Carillon took the now-incomplete Gamma Halo (and, evidently, the sole Composer still housed there) for repairs and safekeeping in an undisclosed location.<ref name="HE10">'''Halo: Escalation''', ''[[Halo: Escalation Issue 9|Issue #10]]''</ref>
Upon exiting the Abyss Blue Team witnessed the Didact positioning the Composer over the Halo. Intending to remove Blue Team as a threat the Didact attacked the Spartans.{{Ref/Reuse|HE9}} While the Didact nearly defeated Blue Team, 859 Static Carillon ambushed him and teleported him away into the Halo's [[control room]], followed shortly by John who enabled the monitor to detach the segment of the Halo housing the control room, causing it to fall toward the Composer's Forge. The fragment impacted the Forge, destroying the five remaining Composers held there, but not before the Didact was subjected to their combined effects.{{Ref/Reuse|wp didact}} While the Spartans returned to Earth Static Carillon took the now-incomplete Gamma Halo (and, evidently, the sole Composer still housed there) for repairs and safekeeping in an undisclosed location.{{Ref/Comic|Id=HE10|HE|Issue=10}}
 
Despite his mutations providing the Didact with a resistance to the Composer's power, they were not able to protect him from the raw destructive force of neural physics from five Composers exploding all at once and he was digitized and sent to the outer boundaries of the [[Domain]].{{Ref/Reuse|Epi5}} The Didact later learned that the Composer's power had burned away the [[Gravemind]]'s [[logic plague|corruption]] aside from echoes of it that he was still holding onto, restoring the Didact's sanity.{{Ref/Reuse|Epi20}}
{{Clear}}
{{Clear}}
====Bastion====
In late [[2558]], [[343 Guilty Spark]] discovered that, amongst the [[Librarian]]'s topics of study in her secret laboratory at [[Bastion]] was working Composers.{{Ref/Novel|PoL|Chapter=Epilogue}}
==Gallery==
==Gallery==
{{Other languages
|fr={{Tooltip|''Compositeur''|Composer}} in ''Halo: Primordium'' and ''Halo: Silentium''.<br>
{{Tooltip|''Recomposeur''|Redialer}} in ''Halo 4''.
|es={{Tooltip|''Compositor''|Composer}} in ''Halo 4''.
}}
<gallery>
<gallery>
File:H4-Concept-ComposerDevice.jpg|Concept art of the Composer
File:H4-Concept-ComposerDevice.jpg|Concept art of the Composer for ''[[Halo 4]]''.
File:H4-Concept-Composer-Early.jpg|Early concept art of the Composer exhibiting a cathedral-like design
File:H4-Concept-Composer-Early.jpg|Early concept art of the Composer exhibiting a cathedral-like design.
File:H4-Concept-Composer.jpg|Concept art of the Composer embedded in rock
File:H4-Concept-Composer.jpg|Concept art of the Composer embedded in rock.
File:H4-Concept-Midnight-Composer.jpg|Finalized concept art of the Composer
File:H4 ComposerBuried Callout Concept.jpg|Concept art of the Composer embedded in rock.
File:H4-Concept-Composer-Shield.jpg|Concept art of one of the shield generators around the Composer on the level ''[[Midnight]]''
File:H4-Concept-Midnight-Composer.jpg|Finalized concept art of the Composer.
File:Composer_in_crater.jpg|The Composer on Ivanoff Station
File:H4-Concept-Composer-Shield.jpg|Concept art of one of the shield generators around the Composer on the level ''[[Midnight]]''.
File:Composer_at_Ivanoff.jpg|A close-in view of the Composer at Ivanoff Station
File:HTMCC-H4 Requiem coordinates.png|The sensor data that led Infinity to Requiem.
File:Composer_ground_level.jpg|The Composer seen from ground level of Ivanoff Station
File:Composer_in_crater.jpg|The Composer on Ivanoff Station.
File:Composer_through_window.jpg|The Composer as seen through a hallway window on Ivanoff Station
File:Composer_at_Ivanoff.jpg|A close-in view of the Composer at Ivanoff Station.
File:H4-MantlesApproach-Composer.jpg|The Composer inside ''Mantle's Approach''
File:Composer_ground_level.jpg|The Composer seen from ground level of Ivanoff Station.
File:H4-Midnight-Composer-Panorama.jpg|Panoramic view of the Composer firing on Earth
File:Composer_through_window.jpg|The Composer as seen through a hallway window on Ivanoff Station.
File:H4-ComposerDevice-PreFiring.jpg|The Composer priming to fire on Earth
File:H4-MantlesApproach-Composer.jpg|The Composer inside ''Mantle's Approach''.
File:H4 Composer effects.jpg|Scientists being digitized by the Composer
File:HTMCC-H4 DidactComposer 1.png|The [[Ur-Didact]] preparing to unleash the Composer on Earth.
File:H4 Tillson being digitized.jpg|Dr. Tillson undergoing the fatal effects of the Composer
File:H4-ComposerDevice-PreFiring.jpg|The Composer priming to fire on Earth.
File:H4-ComposerDevice.jpg|The Composer integrated with ''Mantle's Approach''
File:H4-Midnight-Composer-Panorama.jpg|Panoramic view of the Composer firing on Earth.
File:New Phoenix population composed.jpg|[[Gabriel Thorne]]'s nightmare of New Phoenix's population being composed
File:HTMCC-H4 DidactComposer 2.png|The Ur-Didact directing the Composer from within.
File:H4 Composer effects.jpg|Scientists being digitized by the Composer.
File:H4 Tillson being digitized.jpg|Dr. Tillson undergoing the fatal effects of the Composer.
File:H4-ComposerDevice.jpg|The Composer integrated with ''Mantle's Approach''.
File:New Phoenix population composed.jpg|[[Gabriel Thorne]]'s nightmare of New Phoenix's population being composed in ''[[Halo: Escalation]]''.
File:HM-Composer-Schematic.jpg|Diagram of a Composer in ''[[Halo Mythos]]''.
</gallery>
</gallery>


Line 89: Line 112:
*''[[Halo: Primordium]]'' {{1st}}
*''[[Halo: Primordium]]'' {{1st}}
*''[[Halo 4]]''
*''[[Halo 4]]''
**''[[Terminal/Halo 4|Terminals]]''
**''[[Terminal (Halo 4)|Terminals]]''
*''[[Halo: Silentium]]''
*''[[Halo: Silentium]]''
*''[[Halo: Escalation]]''
*''[[Halo: Escalation]]''
*''[[Halo Mythos]]''
*''[[Halo: Shadows of Reach]]'' {{Mo}}
*''[[Halo: Point of Light]]'' {{Mo}}
*''[[Halo: Epitaph]]'' {{Mo}}
*''[[Halo: The Machine Breaks]]'' {{Mo}}


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


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


{{Forerunner|artifacts}}
{{Forerunner|artifacts}}
[[Category:Forerunner technology]]
[[Category:Forerunner technology]]

Latest revision as of 18:29, October 4, 2024

This article is about the machine. For the Halo 4 level, see Composer (level); for the achievement, see Composer (achievement).

"The Composer! So many possibilities and capabilities tied up in that strange name... A Composer of minds and souls!"
— Forthencho, Lord of Admirals[1]
Composer
H4-ComposerDevice-ScanRender.png
Overview

Role:

Sublimation device

Length:

38.6 meters (126.7 ft)[2]

Height:

207.6 meters (681 ft)[2]

Width:

28.7 meters (94.2 ft)[2]

Designer:

Builders

Manufacturing site:

Composer's Forge[3]

 

The Composer[Note 1][2] is a machine created by the Forerunners to translate an organic being's mental content into machine data.[4] Categorized as a sublimation device,[2] the Composer was meant to provide seamless transitions between biological and digital states. The machine was later appropriated to counteract the Flood,[5] although it failed to save the parasite's victims and was quickly abandoned in this capacity. Despite this, the Composer was later used for a number of purposes beyond its original function.[6]

Function[edit]

Overview[edit]

The effects of composition on Dr. Sandra Tillson.

The Composers were originally designed as a means by which to extract the mental pattern (commonly known as an essence) of a biological being of sufficient neural complexity and converting it into data by broadcasting high-energy fields of entangled sympathies. The process, which was not fully understood by even its Forerunner creators, utilized neural physics, a science mastered by the Precursors — one of select few Forerunner technologies to do so. According to the original design, the Composer would allow old Forerunners to transfer their essences into younger bodies or directly into the Domain's vast realms of information.[5][Note 2] The technology was worked on in obscurity for centuries. In the latter days of the human-Forerunner wars, after the Forerunners' first contacts with the Flood, Master Builder Faber took note of the Composers and planned to use the devices to cure the parasite's victims.[5] The plan was to save those afflicted by the Flood by scanning their patterns and removing any traces of the Flood from the digital essence, which would then be imprinted on a new, artificially constructed biological body devoid of Flood infection. However, the process was highly flawed. In addition to being extremely painful to the individuals undergoing the process, all attempts to restore the essences to biological form failed as the artificial bodies would quickly decay and inevitably die.[6] For this reason the Forerunners quickly abandoned the Composers after the first experiments.[7][Note 3]

The physical effects of the Composer on its targets are also violent: the device projects a beam of orange light which completely reduces the targeted individuals to ash in a rather gruesome manner, flaying their skin, muscle, and bones in an agonizing sequence. This is seemingly a byproduct of the machine's original design as a means to combat the Flood, allowing the complete destruction of infected biomass in a manner similar to certain Forerunner weapons designed to completely atomize their targets. The beam possesses the capability to process hundreds of thousands of targets in mere moments across enormous distances,[8] such as composing targets on a planet's surface from an orbiting ship,[9] or those on the surface of an entire Halo installation in an instant.[8] Forthencho, Lord of Admirals, the supreme commander of all human forces and one of the humans to have their minds harvested, described the effects of the Composer as "strange, ever-changing" and "multiformed", as it was operated in that instance via intermediary Lifeworker machinery.[10]

As witnessed on Installation 07, Flood victims subjected to Composer processing were able to retain their individuality,[11] but the Flood would continue to rot and deform their physical bodies, the infection having survived the destruction of the original biological body and then resumed in the new one. The Forerunners attempted to slow down this process by wrapping the afflicted individuals' bodies in a form of supportive harness flowing with energy,[12] but the victims would still continue to deform beyond recognition and eventually expire or succumb to the Flood. Similarly, when the Gravemind used corrupted, Composer-processed essences imprinted on living human bodies as messengers to the Librarian in her final moments on Earth, the humans' bodies would rapidly decay and soon die.[13]

As revealed by the Haruspis, the Composer's power burned away the effects of the logic plague in anyone that it was used upon, freeing them of the Gravemind's corruption.[14]

The Composers Mooring Chamber is fitted with a translocation lock and reality anchor that impedes any unauthorized transportation of the device.[15] An Activation Channel is fitted to all Composers for it's versatile firing systems which direct the Composers energies along the lateral channel or in a uniform concentric pattern.[15] The Targeting Mechanism of the Composer is designed to only target thinking life with sufficient neurological activity.[15]

Essence preservation[edit]

A visual manifestation of a Composer-processed human essence stored in a specialized Durance.

Minds scanned by the Composer could be processed in a variety of ways. The ancient human personalities extracted and stored by the Librarian at Charum Hakkor retained their essences in virtually unchanged form, preserving the victims' identities and even the records of their physical bodies, although the latter could not be reconstituted to biological form.[16] These stored personalities could also be implanted into the genetic code of living beings, with said personalities achieving self-awareness and retaining their original identity within their new hosts; examples of this are the ancestral memory imprints of Chakas and Riser. The Composer could also be used to remove these imprinted personalities, although this did grave physical and mental damage to the individual carrying the imprint.[17]

In the case of the Ur-Didact's Promethean Knights, the extracted neural map was used as the basis for artificial intelligence constructs in a manner similar to the creation of human smart AIs. These intelligences contain many of their original memories and sometimes even portions of their personality, but otherwise behave within the limits of the duties assigned to them.[18] These essences were stored in imprint matrices known as Durances, similar to the devices traditionally used to contain the last mental impressions of a deceased Forerunner.[19]

If the Composer is disconnected from the Domain or an authorized information depository, it could store thousands of composed essences within the Sublimation Relay on the Composer itself.[15]

Immunization[edit]

The Composer does not work on all organic beings; certain individuals can, through genetic manipulation, become immune to its effects. After undergoing an experimental mutation in a failed attempt to gain immunity to the Flood, the Ur-Didact's physiology became incompatible with the Composer,[20] but even with his incompatible physiology, the Ur-Didact was composed by the firing of several Composers at the same time.[21][22][Note 4] Although the Didact's mutations provided him with some resistance to the Composer's effects, they could not withstand the raw destructive force of neural physics from five Composers exploding all at once, resulting in the destruction of the Didact's physical form and his death. The Didact's digitized consciousness was subsequently uploaded to the outer boundaries of the Domain.[23] Similarly, the geas the Librarian placed on humanity allowed Spartan John-117 to develop a resistance to the Composer; this ability had to be activated and thus it does not automatically protect all humans from the device.[24]

History[edit]

Creation and use at Charum Hakkor[edit]

First developed by the Builders working in conjunction with Lifeworkers several centuries before the end of the human-Forerunner wars,[5] the Composers were constructed at a facility known as the Composer's Forge. In the centuries following the conflict this installation would come to be overseen by a monitor known as 859 Static Carillon, who was regarded as the keeper of the Composers.[3] While the many faults of the Composers were quickly recognized, the Forerunners would later find other uses for the devices.

After the fifty-three-year siege of Charum Hakkor, the strongly Builder-influenced Old Council intended to exact their vengeance on their human enemies and make sure the humans' fate would be as cruel as possible. Thus, even though the Forerunners already possessed other technologies capable of extracting an individual's memories and personality impressions,[25][26] the Council provided only Composers to the Librarian and her Lifeworkers when they were ordered to process the last human survivors.[6] The essences of the archived humans would be preserved in future generations of humans, with the intent that they would share their knowledge with the devolved remnants of humanity and aid them in rebuilding their civilization. The Master Builder and other like-minded Forerunners intended to study the stored memories in hopes of discovering how humanity managed to defeat the Flood, subjecting machine-stored copies of the essences to tortuous interrogation over thousands of years.[27]

Abandonment and later use[edit]

As a result of the risks and irregularities involved with their usage, the Forerunners eventually abandoned the Composers and their existence was made a closely guarded secret known to only a few.[7] Even the machines' actual nature remained obscure; whether the Composer was a machine or being remained uncertain to most. Some even believed the Composer to be a "product of its own services"; a Forerunner, perhaps a Lifeworker, suspended in the final stages of Flood infection.[28][29]

Around 97,445 BCE the Lifeworkers no longer employed the long-abandoned Composers when scanning sentient beings for indexing in the Conservation Measure, instead using a far gentler form of pattern extraction technology.[26]

A Composer was acquired and used by Master Builder Faber in an attempt to stave off Flood infection in certain Forerunners on Installation 07. While in control of Installation 07, Mendicant Bias and the Primordial also used the Composer to extract the ancestral memory imprints from Chakas and the other humans from Erde-Tyrene.[17]

Later during the war, the Didact used the Composer to convert the Promethean warriors loyal to him into powerful robotic forms, in order to allow them to combat the Flood more efficiently and without risk of infection. Lacking the sufficient numbers to turn the tide, the Didact forcibly used the Composer on a large population of humans transplanted to Omega Halo, turning them into additional forces in his mechanized army. This led to his imprisonment on Requiem by the Librarian.[20]

Rediscovery[edit]

Installation 03[edit]

Battle of Sunaion.
A Composer being extracted from the surface of Installation 03.

One Composer was stored on Halo Installation 03. In late 2554[30] the UNSC Office of Naval Intelligence discovered the machine, which they designated SBJ 8490-03,[31] in a location known as the Composer's Abyss; after the flagship UNSC Infinity extracted the device in 2557 it was transported to Ivanoff Station, a research facility in the asteroid field in Installation 03's orbit. The machine was partially buried within the installation's surface and remained embedded in a large chunk of rock when the ship transported it to Ivanoff. Some of the scientists were digitized by the Composer while studying it and the sensor data from the incident contained coordinates that led Infinity to Requiem.[32]

The Composer firing on the city of New Phoenix on Earth.

Upon awakening on Requiem in July 2557, the Didact headed for the Composer at his first opportunity and acquired the device after launching an attack on Ivanoff Station. Planning to use the Composer to neutralize all of mankind by forever imprisoning them in digital form, he first used it on the research and security personnel of Ivanoff; Spartan John-117 was the only survivor as a result of genetic modifications imbued by the Librarian. The Didact then set course for Earth in order to realize the final stage of his plan. He successfully fired the Composer on a URNA metropolis, New Phoenix, but the effect was halted when John-117 destroyed the Composer, and the Didact's ship along with it, with a HAVOK tactical nuclear weapon.[9] Some of the resulting digital intelligences survived, having been transported into the Composer's Abyss on Installation 03[33] and later to Requiem via a slipspace transit portal connected to the Composer.[18]

The Composer's Forge[edit]

Blue Team and Prometheans battle in the Composer's Forge.
Main article: Mission to Installation 03

Following the New Phoenix Incident the Didact was plunged to Installation 03 through the Composer's slipspace portal. After killing a team of human scientists and their Spartan escorts, the Didact wished to seek revenge on Earth. Soon he encountered monitor 859 Static Carillon at the Composer's Abyss. Recognizing the monitor as the keeper of the Composers, the Didact had Static Carillon show him the entrance to the Composer's Forge, where the Composers were constructed and maintained. Shortly after, Blue Team discovered the slipspace portal that led to the Forge. Upon entering the Spartans were shocked to discover six more Composers located inside the Forge. The Spartans were confronted by the Didact and a large firefight ensued, with numerous Promethean constructs backing up the Didact.[Note 3] Static Carillon had Gamma Halo appear over the Composer's Forge per his agreement with the Didact, who then took one of the six Composers and departed the Forge for the Halo. However, the monitor, feeling betrayed by the Didact because he broke his side of their bargain by creating more Prometheans, revealed to the Spartans that the Didact intended to use the Composer and the Halo to destroy humanity, starting with Earth. With Static Carillon's help Blue Team escaped the Composer's Forge and returned to Installation 03 through the Composer's Abyss.[3]

Upon exiting the Abyss Blue Team witnessed the Didact positioning the Composer over the Halo. Intending to remove Blue Team as a threat the Didact attacked the Spartans.[3] While the Didact nearly defeated Blue Team, 859 Static Carillon ambushed him and teleported him away into the Halo's control room, followed shortly by John who enabled the monitor to detach the segment of the Halo housing the control room, causing it to fall toward the Composer's Forge. The fragment impacted the Forge, destroying the five remaining Composers held there, but not before the Didact was subjected to their combined effects.[22] While the Spartans returned to Earth Static Carillon took the now-incomplete Gamma Halo (and, evidently, the sole Composer still housed there) for repairs and safekeeping in an undisclosed location.[21]

Despite his mutations providing the Didact with a resistance to the Composer's power, they were not able to protect him from the raw destructive force of neural physics from five Composers exploding all at once and he was digitized and sent to the outer boundaries of the Domain.[23] The Didact later learned that the Composer's power had burned away the Gravemind's corruption aside from echoes of it that he was still holding onto, restoring the Didact's sanity.[14]

Bastion[edit]

In late 2558, 343 Guilty Spark discovered that, amongst the Librarian's topics of study in her secret laboratory at Bastion was working Composers.[34]

Gallery[edit]

Language Equivalent
Flag of France.png
French 		Compositeur in Halo: Primordium and Halo: Silentium.

Recomposeur in Halo 4.

Flag of Spain.png
Spanish 		Compositor in Halo 4.
  • Concept art of the Composer for Halo 4.

    Concept art of the Composer for Halo 4.

  • Early concept art of the Composer exhibiting a cathedral-like design.

    Early concept art of the Composer exhibiting a cathedral-like design.

  • Concept art of the Composer embedded in rock.

    Concept art of the Composer embedded in rock.

  • Concept art of the Composer embedded in rock.

    Concept art of the Composer embedded in rock.

  • Finalized concept art of the Composer.

    Finalized concept art of the Composer.

  • Concept art of one of the shield generators around the Composer on the level Midnight.

    Concept art of one of the shield generators around the Composer on the level Midnight.

  • The sensor data that led Infinity to Requiem.

    The sensor data that led Infinity to Requiem.

  • The Composer on Ivanoff Station.

    The Composer on Ivanoff Station.

  • A close-in view of the Composer at Ivanoff Station.

    A close-in view of the Composer at Ivanoff Station.

  • The Composer seen from ground level of Ivanoff Station.

    The Composer seen from ground level of Ivanoff Station.

  • The Composer as seen through a hallway window on Ivanoff Station.

    The Composer as seen through a hallway window on Ivanoff Station.

  • The Composer inside Mantle's Approach.

    The Composer inside Mantle's Approach.

  • The Ur-Didact preparing to unleash the Composer on Earth.

    The Ur-Didact preparing to unleash the Composer on Earth.

  • The Composer priming to fire on Earth.

    The Composer priming to fire on Earth.

  • Panoramic view of the Composer firing on Earth.

    Panoramic view of the Composer firing on Earth.

  • The Ur-Didact directing the Composer from within.

    The Ur-Didact directing the Composer from within.

  • Scientists being digitized by the Composer.

    Scientists being digitized by the Composer.

  • Dr. Tillson undergoing the fatal effects of the Composer.

    Dr. Tillson undergoing the fatal effects of the Composer.

  • The Composer integrated with Mantle's Approach.

    The Composer integrated with Mantle's Approach.

  • Gabriel Thorne's nightmare of New Phoenix's population being composed in Halo: Escalation.

    Gabriel Thorne's nightmare of New Phoenix's population being composed in Halo: Escalation.

  • Diagram of a Composer in Halo Mythos.

    Diagram of a Composer in Halo Mythos.

List of appearances[edit]

Notes[edit]

  1. ^ In Halo: Primordium and Halo 4 the Composer is consistently referenced as a singular entity, though Halo: Silentium establishes that there were actually multiple Composers; this is reflected in Halo: Escalation. In light of this information it can be assumed that "the Composer" refers to the device as a unique invention as opposed to a single object, much as the Halos are sometimes referenced with the collective "Halo".
  2. ^ Halo 4: The Essential Visual Guide and Halo Waypoint's Universe entry describe the Composer's original function as granting the Forerunners immortality by transferring old essences into youthful bodies, implying that Forerunner medical science had not overcome senescence. According to Halo: Cryptum (page 47) along with a number of other references throughout The Forerunner Saga, the Forerunners were functionally immortal given regular access to personal armor, could remain youthful indefinitely and died only by accident or in battle. However, it is known that Forerunners could age under certain circumstances, even if such aging was unlikely to result in death: after 1,200 years of self-neglectful isolation, the Confirmer's skin became mottled with bulging veins, his fur fell out, and his teeth fused together. The issue of Forerunner mortality by old age is not addressed when the Composer's origins are described in Halo: Silentium. In Halo 4 the Librarian states that the Composer would have made the Forerunners immortal, although this may be interpreted as true immortality and invulnerability to the Flood, as opposed to the biological immortality the Forerunners already enjoyed thanks to their use of body-assist armor.
  3. ^ a b In Halo: Escalation Issue 9, the monitor 859 Static Carillon indicates that the human essences composed in New Phoenix are being "added to the whole" in accordance with the original design for the Composer, introducing fear, rage, and confusion. This implies that composed patterns are uploaded to a central intelligence, though whether this applies solely to the Promethean Knights or to all who undergo composition is unclear. Nonetheless, the notion of composed essences being incorporated into a gestalt mind is not mentioned in prior media.
  4. ^ In Halo 4's Terminal Five, the Didact claims the Composer would not work on his new form, and in the level Midnight is seen levitating himself within the Composer's active beam. It is possible that the Didact was merely resistant to the effects of the Composer, rather than completely immune, as the energy released by the overlapping pulses of five Composers would be orders of magnitude greater than the energy released by a single pulse. In the Library Edition of Halo: Escalation, however, it's stated by Brian Reed that the Ur-Didact wasn't composed but the explosion did do something to him.

Sources[edit]

  1. ^ Halo: Primordium, page 232-233
  2. ^ a b c d e Halo 4: The Essential Visual Guide, page 132
  3. ^ a b c d Halo: Escalation, issue 9
  4. ^ Halo 4
  5. ^ a b c d Halo Waypoint - Universe: Composer
  6. ^ a b c Halo: Silentium, page 40-41
  7. ^ a b Halo: Primordium, page 271-272
  8. ^ a b Halo: Silentium, page 263
  9. ^ a b Halo 4, campaign level Midnight
  10. ^ Halo: Primordium, page 235
  11. ^ Halo: Primordium, page 325-326
  12. ^ Halo: Primordium, page 322-323
  13. ^ Halo: Silentium, page 320-323
  14. ^ a b Halo: Epitaph, chapter 20
  15. ^ a b c d Halo Mythos, page 165
  16. ^ Halo: Silentium, page 320
  17. ^ a b Halo: Primordium, page 355
  18. ^ a b Halo 4 - Spartan Ops, episode Memento Mori
  19. ^ Halo 4: The Essential Visual Guide, page 134
  20. ^ a b Halo 4: Terminals
  21. ^ a b Halo: Escalation, issue 10
  22. ^ a b Halo Waypoint - Universe: Didact
  23. ^ a b Halo: Epitaph, chapter 5
  24. ^ Halo 4, campaign level Reclaimer
  25. ^ Halo: Cryptum, page 47-48, 138
  26. ^ a b Halo: Silentium, page 57
  27. ^ Halo: Silentium, page 41-43
  28. ^ Halo: Primordium, page 268
  29. ^ Halo: Primordium, page 278
  30. ^ Halo 4, campaign level Composer: audio log
  31. ^ Eleventh Hour reports: Report 5/5
  32. ^ Halo 4, campaign level Infinity
  33. ^ Halo: Escalation, issue 8
  34. ^ Halo: Point of Light, Epilogue

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The Forerunners
For a complete list, check out our Forerunner category.
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