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{{Species Infobox
{{Race infobox
|name='''Exo'''<br />
|name= Exo
|image=[[File:ExoConcept.jpg|300px]]
|othernames= Exominds
|homeworld=
|image= [[File:Grimoire Exo.jpg|300px]]
|height=
|variant= Exo
|weight=
|homeworld= [[Europa]] {{c|formerly}} <br> [[Earth]]<ref name="Treasure Island Book">'''[[Cayde's Treasure Island Book]]'''</ref><ref name="SoA and Beyond Light reveal">'''YouTube''': ''[https://youtu.be/x8K6L1wr7fs Destiny 2 Reveal - 6/9 @ 9am Pacific]''</ref>
|distinctions=
|focalworld(s)= [[Europa]]
|lifespan= Indefinite (in theory)
|goals= Attain immortality for humanity {{c|formerly}} <br> Create a lasting legacy for [[Clovis Bray I]] {{c|formerly}} <br> Revive the [[Traveler]] <br> Reclaim the [[Solar System]] <br> Rebuild civilization
|notable-group=
|war= [[Cabal]] <br> [[Fallen]] <br> [[Hive]] <br> [[Taken]] <br> [[Vex]] <br> [[The Witness]]
|notable-person=[[Cayde-6]], [[Banshee-44]]
|height=  
|weight=  
|distinctions= Self-aware humanoid machines
|lifespan= Indefinite
|notable-group= [[Clovis Bray (corporation)|Clovis Bray]] <br> [[Guardian]]s <br> [[Iron Lords]] <br> [[Ishtar Collective]] <br> [[House of Salvation]]
|notable-person= [[Cayde-6]] <br> [[Saint-14]] <br> [[Elisabeth Bray|Exo Stranger]] <br> [[Lord Felwinter]] <br> [[Ada-1]] <br> [[Shiro-4]] <br> [[Atraks-1, Fallen Exo|Atraks-1]] <br> [[Banshee-44]] <br> [[Eriana-3]] <br> [[Maya Sundaresh|The Conductor]]  
}}
}}
The '''Exo''' are a race of [[human]]oid machines living in the [[City]].<ref name="city">[http://www.bungie.net/en-us/destiny#page=story&panel=story-The-City '''Bungie.net''': ''The City'']</ref> They are self-aware machines built during [[human]]ity's [[Golden Age]]<ref name = "GI"/> for a long forgotten war,<ref name = "ExoGrimoire">'''Bungie (2014-6-12)''', ''Destiny: Alpha PlayStation 4, Activision Blizzard, [[Grimoire]]: [[Grimoire#Exo|Exo]]''</ref> with the purpose of protecting their creators.<ref> [http://www.theguardian.com/technology/2014/apr/28/destiny-hands-on-bungie-xbox-playstationshared-world-shooter '''The Guardian''': ''how the makers of Halo plan to change the future of shooters'']</ref> The conflict itself has long been forgotten and the Exo are ciphers, even to themselves, for their purpose has been forgotten as well.<ref name = "ExoGrimoire"/>


Exos appear unyielding and tireless.<ref name = "GI">'''Game Informer January 2014''', ''page 53''</ref> Mechanically, Exos are so advanced that only a [[Ghost]] can comprehend their inner workings. Whoever built the Exos fashioned them in humanity's image, gifting them with diversity of mind and body. Many of the [[City]]'s Exo citizens work and live aside their organic brethren. But others fight again, re-forged in the light of the [[Traveler]] to serve as [[Guardian]]s.<ref name = "ExoGrimoire"/>
{{Quote|All cognition is embodied. The architecture of our minds is highly co-evolved with our physical form... Given the limits of simulation, we need to find synthetic immortality in the real world. The grail of homo simulacra is an artificial body with an immortal human mind.|[[Clovis Bray I]] <ref>'''[[Mysterious Logbook]]''', ''[[Mysterious_Logbook#NOTE—WHY EXOMINDS FAIL|NOTE—WHY EXOMINDS FAIL, Page 20]]''</ref>}}
 
'''Exominds''' <ref name="Ghost Scan: Core Terminus, Mars">'''Bungie (2018/5/8)''', ''[[Destiny 2]]: [[Warmind (expansion)|Warmind]], Playstation 4, Activision Blizzard, [https://www.ishtar-collective.net/transcripts/ghost-scan-core-terminus-mars|Ghost Scan: Core Terminus, Mars]''</ref> (or simply '''Exos''' as they are more commonly known) are a race of self-aware humanoid machines built by [[humanity]] in the [[Golden Age]]. <ref name="Exo">'''Bungie (2014/9/9)''', ''[[Destiny]]: Playstation 4, Activision Blizzard, [[Grimoire]]: [[Grimoire:Guardian/Races#Exo|Exo]]''</ref> Unlike mass-produced robotic [[frame]]s, Exos are human minds uploaded in artificial bodies; with the notable exceptions of [[Felwinter]], [[Rasputin]], and [[Atraks-1, Fallen Exo|Atraks-1]], each and every Exo used to be a human being. Mind uploading technology was developed by the [[Clovis Bray (corporation)|Clovis Bray corporation]] during the Golden Age; many Exos come from the mysterious [[Deep Stone Crypt]] on [[Europa]]. Exo names typically include the number of memory-wiping "reboots" of their brain, e.g. [[Cayde-6]] or [[Saint-14]]. While not being biologically "alive", Exos retain many human qualities and habits; just like any living being, they have [[Light]] of their own. They can die and be revived by a [[Ghost]].
 
==Overview==
The Exos were the brainchildren of [[Clovis Bray I]], <ref name="Ghost Scan: Core Terminus, Mars"/> who originally developed them as a means for humans to attain immortality. During the [[Collapse]], the Exos' memories were shattered <ref>'''Bungie (2014/9/9)''', ''[[Destiny]]: Playstation 4, Activision Blizzard, [[Grimoire]]: [[Grimoire:Places/The City#Ghost Fragment: The Dark Age|Ghost Fragment: The Dark Age]]''</ref> and nearly all knowledge of their origins was lost. In the [[Dark Age]] that followed, the Exos helped build the [[Last City]] alongside their organic brethren, with many going on to become [[Guardian]]s. <ref name="Exo"/>
 
The Exos were once involved in an ancient conflict, and [[Rasputin]] was once involved in their command, a fact that some Exos dimly remember. The conflict itself has long been forgotten and the Exo remain ciphers, even to themselves, for their purpose has been forgotten as well. However, there is one clue to their origins; many Exos experience a dream they call the [[Deep Stone Crypt]], or the "place where they were born." It is described as "the infamous subroutine which seeded the first Exo consciousness." [[Cayde-6]]'s memories stretch further, where he recalls being a human before travelling to [[Europa]] to become an Exo, as he "came there in flesh and bone. Gave everything to the ice. Started over. Rebooted."<ref name="Treasure Island Book"/><ref name="SoA and Beyond Light reveal"/>
 
Exos appear unyielding and tireless, to the point that appearing exhausted is often considered impressive for an Exo.<ref name="The Sixth Coyote">'''Bungie (2018/9/4)''', ''[[Destiny 2]]: [[Forsaken]], Playstation 4, Activision Blizzard, [[The Sixth Coyote]]''</ref> Mechanically, they are so advanced that only a Ghost can comprehend their inner workings. In many ways, Exos like to think of themselves as human, or having human minds in machine bodies. Exos can also confuse armor they wear for part of their own body, which leads to a feeling of being naked.<ref>'''Bungie (2017/9/8)''', ''[[Destiny 2]]: Playstation 4, Activision Blizzard, Item Description: [[Primal_Siege_Type_1#Primal_Siege_Type_1_Gauntlets|Primal Siege Type 1 Gauntlets]]''</ref>
 
Exos are subject to a number of unique medical conditions, being Dissociative Exomind Rejection (DER) and spontaneous Exo reset syndrome.<ref>'''Bungie (2019/3/5)''', ''[[Destiny 2]]: [[Season of Opulence]], Playstation 4, Activision Blizzard, [[Lore]]: [[Lore:Dust#The_Stacks|Dust]]''</ref> The former is a serious and ultimately fatal cognitive disorder caused by living minds rejecting the new body, and the latter is an involuntary self-reset that can occur without any immediately apparent cause or warning.
 
==History==
===Origins===
The Exos were designed and built during humanity's Golden Age by the [[Clovis Bray (corporation)|Clovis Bray corporation]]. The original intent of the project was to develop a durable, synthetic housing for an uploaded human consciousness (an "exomind"), which would effectively render humans immortal.<ref>'''[[Mysterious Logbook]]''', "ENTRY 2", ''[[Mysterious_Logbook#-07-|-07-]]''</ref> However, early exominds inevitably fell victim to a degenerative process termed the "loop/billboard/crash" cycle, characterized by cognitive and motor stereotypy (abnormal, repetitive behaviors), athetosis (slow, involuntary writhing movements of the limbs and extremities), and gradual loss of sapience. While degenerating exominds would still pass the Turing test for a time, they were [https://en.wikipedia.org/wiki/Philosophical_zombie philosophical zombies], and would ultimately enter a state analogous to brain death. This problem eventually claimed the life of [[Clovis Bray II]], after he was uploaded into an exomind format. Crashed exominds could be restored from backup, but the process termed "billboarding" would simply begin again.<ref>'''[[Mysterious Logbook]]''', "NOTE—WHY EXOMINDS FAIL", ''[[Mysterious_Logbook#-020-|-020-]]''</ref>
 
Following the discovery of the [[Anomaly (artifact)|K1 artifact]] and the paracausal force [[Clovis Bray I]] called "[[Darkness|Clarity]]", Clovis I mounted an expedition to [[Europa]] to find the secret of immortality promised to him by "Clarity". There, under the instructions of a mysterious entity he called "[[Clarity Control]]", Clovis I stole a [[Vex]] from the [[Ishtar Collective]] and used it to build a gate to a Vex megastructure, the [[Forge Star]].<ref>'''[[Mysterious Logbook]]''', "ENTRY 6 AMENDMENT", ''[[Mysterious_Logbook#-029-|-029-]]''</ref><ref>'''[[Mysterious Logbook]]''', "ENTRY 7", ''[[Mysterious_Logbook#ENTRY 7|ENTRY 7]]''</ref> Upon studying samples of Vex [[radiolaria|radiolarian fluid]] recovered from the Forge Star and observing its synergy with "Clarity", Clovis I discovered that introducing "Clarity"-altered radiolarian fluid, deemed "[[Alkahest]]", to an exomind's hardware miraculously solved the "loop/billboard/crash" problem.<ref>'''[[Mysterious Logbook]]''', "ENTRY 8", ''[[Mysterious_Logbook#-40-|-40-]]''</ref> However, even this solution was not permanent, as the new generation of Exos fell victim to Dissociative Exomind Rejection.<ref>'''[[Mysterious Logbook]]''', "NOTE—D.E.R.", ''[[Mysterious_Logbook#-45-|-45-]]''</ref>
 
Clovis I discovered that DER could be staved off by two methods. The first was the "reboot", which involved wiping the mind's memories post-transfer so that it would not remember its old body, and so better accept the new one. Despite the term "reboot", also referred to as "resets" or "memory wipes", the process did not actually remove memories, and only blocked off associative access to them. This was done because memory engrams were stored in many areas of the brain, causing them to be difficult to locate and delete.<ref name = "e10">'''[[Mysterious Logbook]]''', "ENTRY 10", ''[[Mysterious_Logbook#ENTRY 10|ENTRY 10]]''</ref> While effective, it was not a cure, and the reboot procedure would often be repeated several times over the Exo's life. It would also be used for functional purposes, such as restoring Exos whose minds had become "compromised," such as by Vex infection.<ref>'''[[Mysterious Logbook]]''', "ENTRY 11", ''[[Mysterious_Logbook#ENTRY 11|ENTRY 11]]''</ref> Successive reboots cumulatively eroded an Exo's mind and their ability to retain any memories at all, with excessive numbers of reboots causing insanity.<ref name="SoWLegacyPt2">'''Bungie (2020/3/10)''', ''[[Destiny 2]]: [[Season of the Worthy]], Playstation 4, Activision Blizzard, [[Weblore]]: [[Weblore#Legacy_Pt_2|Legacy Pt 2]]''</ref> The Clovis Bray corporation estimated that the maximum number of times an Exo could be safely rebooted was around 20.<ref name="Ghost Scan: Core Terminus, Mars"/> As reboots did not technically remove any memories, Exos sometimes remembered traces of them. This was especially the case for Guardians, and some could gain access to these buried memories by purposefully dying. By default, Exos had a number appended to their names that signified the number of reboots they had experienced, with the original human used as the zero-index. This was inspired by the number scheme used by AI trainers to denote successive iterations of an AI, such as with [[Aivanti-3]]. Hence, to use Clovis I's example, the human Mohammed would be followed by the Exo Mohammed-1, Mohammed-2 after one reset, etc. This number was stored in the Exo's memory as hardware, and so could not be forgotten.<ref>'''[[Mysterious Logbook]]''', "ENTRY 13", ''[[Mysterious_Logbook#ENTRY 13|ENTRY 13]]''</ref>
 
The second method Clovis Bray used to prevent DER was to introduce familiar organic conceits into the Exo's mechanical body, such as the drive to eat or reproduce. While these "humanisms" were not functionally necessary, they nevertheless reduced the chances of DER developing, as without routine feedback from bodily processes the Exo would become convinced those processes had failed and develop severe [[wikipedia:Cotard delusion|Cotard delusion]].<ref name = "e10"/> The "humanisms" may extend to certain sensations of discomfort, such as nausea or physical exertion, as Cayde-6 has demonstrated on occasion, though he is not a reliable source.<ref>'''Bungie (2017/8/9)''', ''[[Destiny 2]]: Playstation 4, Activision Blizzard, [[Looped]]''</ref><ref>'''Bungie (2017/8/9)''', ''[[Destiny 2]]: Playstation 4, Activision Blizzard, [[Exodus Crash]]''</ref><ref>'''Bungie (2019/10/1)''', ''[[Destiny 2]]: [[Shadowkeep]], Playstation 4, Activision Blizzard, [[Never Live It Down]]''</ref> It is not possible for an Exo to become intoxicated by alcohol, however.<ref>'''Bungie (2018/9/4)''', ''[[Destiny 2]]: [[Forsaken]], Playstation 4, Activision Blizzard, [[Lore]]: [[Lore:The_Man_They_Call_Cayde#Turn|The Man They Call Cayde]]''</ref>
 
During the development of the Exo creation process, Clovis Bray founded the Europan colony of [[Eventide]] to house clients awaiting uploading, and the resulting Exos.
 
===The Collapse===
During the Collapse, a number of Exos were present on the colony ship ''Exodus Indigo'', which carried a group of surviving [[Ishtar Collective]] researchers to Neptune in an attempt to evade the Black Fleet. After arriving on the terraformed surface of the gas giant, the colonists discovered a paracausal entity known as the Veil, which had previously been hidden away on the planet by the Hive God Savathûn. The Veil emitted electromagnetic signals that produced psychological disturbances in the Exos present, causing them to hallucinate and in some cases enter a state of "billboarding" similar to that reported by Clovis Bray I during the initial development of the Exos. Most, if not all, of the Exos present on the mission eventually succumbed to the Veil's influence, entering a state of brain death.
 
Later on, [[Maya Sundaresh]] would use some of these brain-dead Exos in an experiment involving a prototype Veil interface, in which the Veil's psychic emanations were channeled through an assembly of catatonic Exos and funneled into a central recipient, along with a mental imprint provided by Maya herself. The central Exo subject in this case was Lakshmi-2, who Maya had known prior to coming to Neptune. Lakshmi regained consciousness following this experiment, but her mind appeared to have become a total or partial copy of Maya's, sharing some of her memories and speaking in Maya's voice.<ref>https://www.youtube.com/watch?v=woNYh2TPILA</ref>
 
At some point, Lakshmi left Neptune and returned to Earth, where she lived through the Dark Age before eventually being recruited by the Future War Cult and moving to the Last City. None of the other Exos brought to Neptune by the ''Exodus Indigo'' are known to have survived after exposure to the Veil, with the people of [[Neomuna]] centuries later believing the Exos to have gone "extinct."
 
===Post-Collapse===
After the Collapse, many Exos survived and would go on to participate in the founding of the Last City. Many would also be resurrected by the Ghosts to become Guardians. Even among non-Guardian Exos, virtually all memories of their origins and the Collapse appear to have been lost over the course of multiple memory wipes; an exception is [[Ada-1]], whose memory has never been wiped.


==Known Exos==
==Known Exos==
*[[Banshee-44]]
*[[Ada-1]] - [[Golden Age]] survivor and the head of the [[Black Armory]].
*[[Cayde-6]]
*[[Aiza-3]] - A Guardian who fought in the [[Red War]].
*[[Lakshmi-2]]
*[[Anahera-3]] - A [[Hunter]] who thought they might fall in love with their gun if it got smarter.<ref>'''Bungie (2014/12/9)''', ''[[Destiny]]: [[The Dark Below]] Playstation 4, Activision Blizzard, Item Description, [[Tomyris-E2]]''</ref>
*[[Anjoli-7]]
*[[Aparajita-4]] - A former Hunter Vanguard.
*[[Artemis-5]]
*[[Atraks-1, Fallen Exo|Atraks-1]] - An Eliksni [[Baron]]ess of the [[House of Salvation]], and a [[Fallen]] Exo.
*[[Austen-1]]
*[[Banshee-44]] - The Tower Gunsmith.
*[[Bjorna-3]]
*[[Caliban-8]] - A Hunter who became the second Hunter [[Vanguard]], succeeding [[Tallulah Fairwind]] after her death during the [[Great Ahamkara Hunt]].
*[[Cayde-6]] - The former Hunter Vanguard who was killed by [[Uldren Sov]].
*[[Crimiq-5]] - A Guardian who competed in the [[Trials of Osiris]].
*[[Cron-8]] - A renowned [[SRL]] racer.
*[[Daimos-22]] - A [[Titan (class)|Titan]] who fought in the Red War.
*[[Del-3]] - An Exo who served under [[Sloane]] at the [[New Pacific Arcology]] on [[Titan (moon)|Titan]].
*[[Echo (Exo)|Echo]] - A candidate for Clovis Bray's [[ECHO Project]] who was subject to at least 2625 resets, in the process developing a hatred for [[Ana Bray]].<ref name="SoWLegacyPt2"/>
*[[Eriana-3]] - A [[Warlock]] who was a part of [[Eris Morn]]'s ill-fated [[First Crota Fireteam|fireteam]] organized to kill [[Crota, Son of Oryx]]. She was killed by [[Ir Yût, the Deathsinger]].
*[[Elisabeth Bray|Exo Stranger]] - A mysterious female Exo known for observing Guardians. She is not a Guardian herself and lacks a Ghost. Revealed during Beyond Light to be an alternate version of Elisabeth "Elsie" Bray.
*[[Felwinter]] - A Warlock and former [[Warlord]] who became an [[Iron Lord]]. [[Felwinter Peak]] is named after him.
*[[Gaelin-4]]
*[[Gaunt]] - An Exo gunsmith known for the fusion rifle known as [[77 Wizard]].
*[[Gimble-4]] - A Titan who was recruited by [[Adonna]] for a mission to the [[Moon]] to learn more about the [[Hive]].
*[[Gryphon-11]] - An Exo Risen who was accompanied by a young Felwinter for a short time during the [[Dark Age]].
*[[Hari-5]] - A [[Future War Cult]]-affiliated scholar and known sufferer of spontaneous Exo reset syndrome.
*[[Hector-6]]
*[[Heyka-4]]
*[[Hungren-3]] - An Exo Risen known to be an exceptional [[Dawnblade]].
*[[Jana-14]] - A Warlock who studied the original [[Thorn]].
*[[Knox-4]]
*[[Lakshmi-2]] - A female Exo who formerly represented the interests of the Future War Cult in the Tower.
*[[Lee-4]] - A member of the [[Six Coyotes]].
*[[Lilavati-12]] - A brash Exo who refused to "follow the orders of a craven and a sycophant."
*[[Lisbon-13]] - A Hunter and a member of the [[Kentarch 3]], a fireteam of Guardians who entered the [[Black Garden]]. He killed the two other members of the Kenatarch 3, the Warlock [[Rekkana]] and the Titan [[Yardarm-4]] after they fell to the [[Darkness]].
*[[Manse-5]] - An Exo who rode the [[SV-112 Predator]] [[Sparrow]] through the [[European Dead Zone]], managing to destroy multiple enemy vehicles by doing tricks with the Sparrow.
*[[Marlenx-3]] - A Warlock who fought in the Red War.
*[[Mattox-9]] - A Titan who fought in the Red War.
*[[Maya Sundaresh]] - A former Golden Age researcher of the [[Ishtar Collective]]. After assuming the [[Echo]] of Command, she became the Conductor, a technocrat who controls the [[Nessian Schism]] Vex in pursuit of merging the [[Solar System]] with [[Radiolaria|radiolaria]] to kickstart a new [[Golden Age]].
*[[Mia-9]]
*[[Micah-10]] - A female Exo Hunter, member of the Six Coyotes and protector of Ghosts.
*[[Mist-1]]
*[[Morgan-2]] - A [[Warmind]]-commanded Exo present at the New Pacific Arcology on Titan during the [[Collapse]].
*[[Moss-2]]
*[[Nkechi-32]] - A Titan who fought at the [[Battle of the Twilight Gap]].
*[[Noe-2]]
*[[Reba-3]]
*[[Redrix-3]] - A Titan known for his skill with [[pulse rifle]]s in the [[Crucible]].
*[[Reed-7]] - A Titan who participated in a mission to [[Old Chicago]]. He was killed by [[The Witness]] when his fireteam attempted to approach it shortly before it discovered [[The Veil]] on [[Neptune]].
*[[Saint-14]] - A Titan known for his valiant feats who was beloved by virtually everyone he met. Initially killed by the [[Vex]] in the [[Infinite Forest]], but was saved by [[The Guardian]] after they used [[The Sundial]] to travel back in time and spared him from his fate.
*[[Shiro-4]] - A Hunter, Vanguard Scout, adviser, and friend to both [[Cayde-6]] and Lord [[Saladin Forge]] who resides in Felwinter Peak.
*[[Taeko-3]] - A member of the [[Praxic Warlocks]] who helped make the [[Zen Meteor]]. She later sacrificed her life to help destroy [[Savathûn's Song]].
*[[Tango-9]] - A Vanguard Marksman.
*[[Tenet-2]] - An Exo who recovered a Golden Age map to [[Wikipedia:Sirius|Sirius]] from [[Venus]].
*[[Theus-7]] - A Titan who fought in the Red War.
*[[Tinasha-3]] - A Warlock who took the name Ashraven and joined the [[Iron Wolves]]. Known for her prowess in the [[Iron Banner]].
*[[Una-8]]
*[[Wen-1]]
*[[Wesley-3]] 
*[[Wilhelm-7]]
*[[Yardarm-4]] - A Titan and a member of the Kentarch 3, a fireteam of Guardians who entered the Black Garden.


==Development==
==Trivia==
*During their presentation at the 2013 Game Developers Conference, Jason Staten and Christopher Barrett revealed the Exo as a playable race and described them as being "sinister, powerful, and tireless war machines".<ref>[http://www.youtube.com/watch?v=cfqFiyIhrb4 '''YouTube''': ''"Destiny" - News GDC Panel'']</ref>
*During their presentation at the 2013 Game Developers Conference, Joseph Staten and Christopher Barrett revealed the Exos as a playable race and described them as "sinister, powerful, and tireless war machines";<ref>[http://www.youtube.com/watch?v=cfqFiyIhrb4 '''YouTube''': ''"Destiny" - News GDC Panel'']</ref> Exos were further described as "emotionless" in a preview.<ref>[http://gamelynch.com/previews/destiny-preview/ '''Gamelynch''': ''Destiny Preview'']</ref> These statements are no longer accurate as of the game's release;<ref>'''Bungie (2014-6-12)''', ''Destiny: Alpha PlayStation 4, Activision Blizzard.''</ref> in fact, some Lore material released around ''[[Season of the Worthy]]'' implies that showing little emotion is uncommon for Exos.<ref>'''Bungie (2020/3/10)''', ''[[Destiny 2]]: [[Season of the Worthy]] Playstation 4, Activision Blizzard, [[Lore]]: [[Lore:The_Liar#THE_IRON_LORD|The Liar]]''</ref><ref name="RemembranceWeblore">'''Bungie, (3/10/2020), [[Weblore]]:''' ''[https://www.bungie.net/en/Explore/Detail/News/48809 Remembrance]''</ref>
*Exos are able to eat and drink despite being machines - and not having stomachs.<ref name="Last Call">[http://www.polygon.com/2017/3/28/15095770/destiny-2-first-teaser-trailer-video-bungie-cayde-6  '''Polygon''' - ''Watch the first teaser for Destiny 2'']</ref>
*Some options for Exo player customization lack visible eyes.
*Exo Guardians usually remember their names upon rebirth, while Humans and Awoken do not.<ref name="The Sixth Coyote"/> Lore from Beyond Light reveals that this is because an Exo's name and number are stored by their body's hardware separately from their mind, preventing them from being lost the same way that the rest of their pre-resurrection memories are.


*Exos were stated to be emotionless in a preview.<ref>[http://gamelynch.com/previews/destiny-preview/ '''Gamelynch''': ''Destiny Preview'']</ref> Game interactions appear to contradict this.<ref>'''Bungie (2014-6-12)''', ''Destiny: Alpha PlayStation 4, Activision Blizzard.''</ref>
==Non-canon appearances==
'''Rising Timeline'''
{{Main|Exo/Rising}}


==Gallery==
==Gallery==
<gallery>
<gallery>
File:E3 2014 Exo hunter.jpg|[[Cayde-6]], Exo [[Hunter]].
File:E3 2014 Exo hunter.jpg|[[Cayde-6]], Exo [[Hunter]] and former Hunter [[Vanguard]].
File:Destiny Exo store.jpg|[[Banshee-44]], Exo gunsmith.
File:Destiny Exo store.jpg|[[Banshee-44]], Exo gunsmith.
File:Exo warlock.jpg|An Exo [[Warlock]] on [[The City]].
File:BLExoStranger5.jpg|[[Elisabeth Bray|Elisabeth "Elsie" Bray]], the Exo Stranger.
File:Exo female.jpg|Screenshot of a female Exo Hunter.
File:SotSAda.jpg|[[Ada-1]], Exo gunsmith and head of the [[Black Armory]].
File:Lakshmi-2 D2.jpg|[[Lakshmi-2]], Exo [[Consensus]] representative and director of the [[Future War Cult]].
File:Saint-14 Trials of Osiris.jpg|[[Saint-14]], Exo [[Titan (class)|Titan]], one of the most legendary Guardians of all time, the first Titan Vanguard and once served as the right hand of the [[Speaker]].
File:Exo warlock.jpg|An Exo [[Warlock]] on [[The Last City]].
File:Exo Customization.jpg|Facial customization of an Exo.
File:Exo Customization.jpg|Facial customization of an Exo.
File:ExoConcept.jpg|Concept art of [[Rasputin]] as an Exo.
</gallery>
</gallery>


==List of appearances==
==List of appearances==
*''[[Destiny]]'' {{1st}}
*''[[Destiny]]'' {{1st}}
*''[[Cayde's Treasure Island Book]]'' {{Mo}}
*''[[Destiny 2]]''
*''[[Destiny: Fall of Osiris]]''
*''[[Destiny: Cayde's Six]]''
*''[[Mysterious Logbook]]'' {{Mo}}
*''[[Bitter]]'' {{Mo}}
*''[[Entelechy]]'' {{Mo}}


==References==
==References==
<references/>
<references/>


{{Clovis Bray}}
{{Golden Age}}
{{Races}}
[[Category:Artificial intelligence]]
[[Category:Clovis Bray]]
[[Category:Exos|*]]
[[Category:Golden Age]]
[[Category:Races]]
[[Category:Races]]

Latest revision as of 07:09, October 31, 2024

Exo
Grimoire Exo.jpg
Overview

Other name(s):

Exominds

Homeworld:

Europa (formerly)
Earth[1][2]

Focal world(s):

Europa

Goals:

Attain immortality for humanity (formerly)
Create a lasting legacy for Clovis Bray I (formerly)
Revive the Traveler
Reclaim the Solar System
Rebuild civilization

At war with:

Cabal
Fallen
Hive
Taken
Vex
The Witness

Distinctions:

Self-aware humanoid machines

Average lifespan:

Indefinite

Notable group(s):

Clovis Bray
Guardians
Iron Lords
Ishtar Collective
House of Salvation

Notable individual(s):

Cayde-6
Saint-14
Exo Stranger
Lord Felwinter
Ada-1
Shiro-4
Atraks-1
Banshee-44
Eriana-3
The Conductor

 

"All cognition is embodied. The architecture of our minds is highly co-evolved with our physical form... Given the limits of simulation, we need to find synthetic immortality in the real world. The grail of homo simulacra is an artificial body with an immortal human mind."
— Clovis Bray I [3]

Exominds [4] (or simply Exos as they are more commonly known) are a race of self-aware humanoid machines built by humanity in the Golden Age. [5] Unlike mass-produced robotic frames, Exos are human minds uploaded in artificial bodies; with the notable exceptions of Felwinter, Rasputin, and Atraks-1, each and every Exo used to be a human being. Mind uploading technology was developed by the Clovis Bray corporation during the Golden Age; many Exos come from the mysterious Deep Stone Crypt on Europa. Exo names typically include the number of memory-wiping "reboots" of their brain, e.g. Cayde-6 or Saint-14. While not being biologically "alive", Exos retain many human qualities and habits; just like any living being, they have Light of their own. They can die and be revived by a Ghost.

Overview[edit]

The Exos were the brainchildren of Clovis Bray I, [4] who originally developed them as a means for humans to attain immortality. During the Collapse, the Exos' memories were shattered [6] and nearly all knowledge of their origins was lost. In the Dark Age that followed, the Exos helped build the Last City alongside their organic brethren, with many going on to become Guardians. [5]

The Exos were once involved in an ancient conflict, and Rasputin was once involved in their command, a fact that some Exos dimly remember. The conflict itself has long been forgotten and the Exo remain ciphers, even to themselves, for their purpose has been forgotten as well. However, there is one clue to their origins; many Exos experience a dream they call the Deep Stone Crypt, or the "place where they were born." It is described as "the infamous subroutine which seeded the first Exo consciousness." Cayde-6's memories stretch further, where he recalls being a human before travelling to Europa to become an Exo, as he "came there in flesh and bone. Gave everything to the ice. Started over. Rebooted."[1][2]

Exos appear unyielding and tireless, to the point that appearing exhausted is often considered impressive for an Exo.[7] Mechanically, they are so advanced that only a Ghost can comprehend their inner workings. In many ways, Exos like to think of themselves as human, or having human minds in machine bodies. Exos can also confuse armor they wear for part of their own body, which leads to a feeling of being naked.[8]

Exos are subject to a number of unique medical conditions, being Dissociative Exomind Rejection (DER) and spontaneous Exo reset syndrome.[9] The former is a serious and ultimately fatal cognitive disorder caused by living minds rejecting the new body, and the latter is an involuntary self-reset that can occur without any immediately apparent cause or warning.

History[edit]

Origins[edit]

The Exos were designed and built during humanity's Golden Age by the Clovis Bray corporation. The original intent of the project was to develop a durable, synthetic housing for an uploaded human consciousness (an "exomind"), which would effectively render humans immortal.[10] However, early exominds inevitably fell victim to a degenerative process termed the "loop/billboard/crash" cycle, characterized by cognitive and motor stereotypy (abnormal, repetitive behaviors), athetosis (slow, involuntary writhing movements of the limbs and extremities), and gradual loss of sapience. While degenerating exominds would still pass the Turing test for a time, they were philosophical zombies, and would ultimately enter a state analogous to brain death. This problem eventually claimed the life of Clovis Bray II, after he was uploaded into an exomind format. Crashed exominds could be restored from backup, but the process termed "billboarding" would simply begin again.[11]

Following the discovery of the K1 artifact and the paracausal force Clovis Bray I called "Clarity", Clovis I mounted an expedition to Europa to find the secret of immortality promised to him by "Clarity". There, under the instructions of a mysterious entity he called "Clarity Control", Clovis I stole a Vex from the Ishtar Collective and used it to build a gate to a Vex megastructure, the Forge Star.[12][13] Upon studying samples of Vex radiolarian fluid recovered from the Forge Star and observing its synergy with "Clarity", Clovis I discovered that introducing "Clarity"-altered radiolarian fluid, deemed "Alkahest", to an exomind's hardware miraculously solved the "loop/billboard/crash" problem.[14] However, even this solution was not permanent, as the new generation of Exos fell victim to Dissociative Exomind Rejection.[15]

Clovis I discovered that DER could be staved off by two methods. The first was the "reboot", which involved wiping the mind's memories post-transfer so that it would not remember its old body, and so better accept the new one. Despite the term "reboot", also referred to as "resets" or "memory wipes", the process did not actually remove memories, and only blocked off associative access to them. This was done because memory engrams were stored in many areas of the brain, causing them to be difficult to locate and delete.[16] While effective, it was not a cure, and the reboot procedure would often be repeated several times over the Exo's life. It would also be used for functional purposes, such as restoring Exos whose minds had become "compromised," such as by Vex infection.[17] Successive reboots cumulatively eroded an Exo's mind and their ability to retain any memories at all, with excessive numbers of reboots causing insanity.[18] The Clovis Bray corporation estimated that the maximum number of times an Exo could be safely rebooted was around 20.[4] As reboots did not technically remove any memories, Exos sometimes remembered traces of them. This was especially the case for Guardians, and some could gain access to these buried memories by purposefully dying. By default, Exos had a number appended to their names that signified the number of reboots they had experienced, with the original human used as the zero-index. This was inspired by the number scheme used by AI trainers to denote successive iterations of an AI, such as with Aivanti-3. Hence, to use Clovis I's example, the human Mohammed would be followed by the Exo Mohammed-1, Mohammed-2 after one reset, etc. This number was stored in the Exo's memory as hardware, and so could not be forgotten.[19]

The second method Clovis Bray used to prevent DER was to introduce familiar organic conceits into the Exo's mechanical body, such as the drive to eat or reproduce. While these "humanisms" were not functionally necessary, they nevertheless reduced the chances of DER developing, as without routine feedback from bodily processes the Exo would become convinced those processes had failed and develop severe Cotard delusion.[16] The "humanisms" may extend to certain sensations of discomfort, such as nausea or physical exertion, as Cayde-6 has demonstrated on occasion, though he is not a reliable source.[20][21][22] It is not possible for an Exo to become intoxicated by alcohol, however.[23]

During the development of the Exo creation process, Clovis Bray founded the Europan colony of Eventide to house clients awaiting uploading, and the resulting Exos.

The Collapse[edit]

During the Collapse, a number of Exos were present on the colony ship Exodus Indigo, which carried a group of surviving Ishtar Collective researchers to Neptune in an attempt to evade the Black Fleet. After arriving on the terraformed surface of the gas giant, the colonists discovered a paracausal entity known as the Veil, which had previously been hidden away on the planet by the Hive God Savathûn. The Veil emitted electromagnetic signals that produced psychological disturbances in the Exos present, causing them to hallucinate and in some cases enter a state of "billboarding" similar to that reported by Clovis Bray I during the initial development of the Exos. Most, if not all, of the Exos present on the mission eventually succumbed to the Veil's influence, entering a state of brain death.

Later on, Maya Sundaresh would use some of these brain-dead Exos in an experiment involving a prototype Veil interface, in which the Veil's psychic emanations were channeled through an assembly of catatonic Exos and funneled into a central recipient, along with a mental imprint provided by Maya herself. The central Exo subject in this case was Lakshmi-2, who Maya had known prior to coming to Neptune. Lakshmi regained consciousness following this experiment, but her mind appeared to have become a total or partial copy of Maya's, sharing some of her memories and speaking in Maya's voice.[24]

At some point, Lakshmi left Neptune and returned to Earth, where she lived through the Dark Age before eventually being recruited by the Future War Cult and moving to the Last City. None of the other Exos brought to Neptune by the Exodus Indigo are known to have survived after exposure to the Veil, with the people of Neomuna centuries later believing the Exos to have gone "extinct."

Post-Collapse[edit]

After the Collapse, many Exos survived and would go on to participate in the founding of the Last City. Many would also be resurrected by the Ghosts to become Guardians. Even among non-Guardian Exos, virtually all memories of their origins and the Collapse appear to have been lost over the course of multiple memory wipes; an exception is Ada-1, whose memory has never been wiped.

Known Exos[edit]

Trivia[edit]

  • During their presentation at the 2013 Game Developers Conference, Joseph Staten and Christopher Barrett revealed the Exos as a playable race and described them as "sinister, powerful, and tireless war machines";[26] Exos were further described as "emotionless" in a preview.[27] These statements are no longer accurate as of the game's release;[28] in fact, some Lore material released around Season of the Worthy implies that showing little emotion is uncommon for Exos.[29][30]
  • Exos are able to eat and drink despite being machines - and not having stomachs.[31]
  • Some options for Exo player customization lack visible eyes.
  • Exo Guardians usually remember their names upon rebirth, while Humans and Awoken do not.[7] Lore from Beyond Light reveals that this is because an Exo's name and number are stored by their body's hardware separately from their mind, preventing them from being lost the same way that the rest of their pre-resurrection memories are.

Non-canon appearances[edit]

Rising Timeline

Main article: Exo/Rising

Gallery[edit]

List of appearances[edit]

References[edit]

  1. ^ a b Cayde's Treasure Island Book
  2. ^ a b YouTube: Destiny 2 Reveal - 6/9 @ 9am Pacific
  3. ^ Mysterious Logbook, NOTE—WHY EXOMINDS FAIL, Page 20
  4. ^ a b c Bungie (2018/5/8), Destiny 2: Warmind, Playstation 4, Activision Blizzard, Scan: Core Terminus, Mars
  5. ^ a b Bungie (2014/9/9), Destiny: Playstation 4, Activision Blizzard, Grimoire: Exo
  6. ^ Bungie (2014/9/9), Destiny: Playstation 4, Activision Blizzard, Grimoire: Ghost Fragment: The Dark Age
  7. ^ a b Bungie (2018/9/4), Destiny 2: Forsaken, Playstation 4, Activision Blizzard, The Sixth Coyote
  8. ^ Bungie (2017/9/8), Destiny 2: Playstation 4, Activision Blizzard, Item Description: Primal Siege Type 1 Gauntlets
  9. ^ Bungie (2019/3/5), Destiny 2: Season of Opulence, Playstation 4, Activision Blizzard, Lore: Dust
  10. ^ Mysterious Logbook, "ENTRY 2", -07-
  11. ^ Mysterious Logbook, "NOTE—WHY EXOMINDS FAIL", -020-
  12. ^ Mysterious Logbook, "ENTRY 6 AMENDMENT", -029-
  13. ^ Mysterious Logbook, "ENTRY 7", ENTRY 7
  14. ^ Mysterious Logbook, "ENTRY 8", -40-
  15. ^ Mysterious Logbook, "NOTE—D.E.R.", -45-
  16. ^ a b Mysterious Logbook, "ENTRY 10", ENTRY 10
  17. ^ Mysterious Logbook, "ENTRY 11", ENTRY 11
  18. ^ a b Bungie (2020/3/10), Destiny 2: Season of the Worthy, Playstation 4, Activision Blizzard, Weblore: Legacy Pt 2
  19. ^ Mysterious Logbook, "ENTRY 13", ENTRY 13
  20. ^ Bungie (2017/8/9), Destiny 2: Playstation 4, Activision Blizzard, Looped
  21. ^ Bungie (2017/8/9), Destiny 2: Playstation 4, Activision Blizzard, Exodus Crash
  22. ^ Bungie (2019/10/1), Destiny 2: Shadowkeep, Playstation 4, Activision Blizzard, Never Live It Down
  23. ^ Bungie (2018/9/4), Destiny 2: Forsaken, Playstation 4, Activision Blizzard, Lore: The Man They Call Cayde
  24. ^ https://www.youtube.com/watch?v=woNYh2TPILA
  25. ^ Bungie (2014/12/9), Destiny: The Dark Below Playstation 4, Activision Blizzard, Item Description, Tomyris-E2
  26. ^ YouTube: "Destiny" - News GDC Panel
  27. ^ Gamelynch: Destiny Preview
  28. ^ Bungie (2014-6-12), Destiny: Alpha PlayStation 4, Activision Blizzard.
  29. ^ Bungie (2020/3/10), Destiny 2: Season of the Worthy Playstation 4, Activision Blizzard, Lore: The Liar
  30. ^ Bungie, (3/10/2020), Weblore: Remembrance
  31. ^ Polygon - Watch the first teaser for Destiny 2

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Clovis Bray
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The Golden Age
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Races of the Destiny series
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