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The Unity will bring about the master race. Master! Master! One able to survive, or even thrive, in the wasteland. As long as there are differences, we will tear ourselves apart fighting each other. We need one race. Race! Race! One goal. Goal! Goal! One people . . . to move forward to our destiny. Destiny.

The Master of the Super Mutants[5] or simply the Master, referred to by the Children of the Cathedral as the Holy Flame, Dark God,[3] and Father Hope,[Non-game 3] was the founder and leader of the Unity, a mutant-led organization dedicated to the transhumanist transformation of mankind in post-nuclear world. By the time he was encountered by the Vault Dweller, the Master was a hybridized amalgamation of several dozens of humans and other mutants, as well as the Cathedral's computer network, speaking in multiple voices and switching between them on the fly.

The Master's end goal was to create a new race from humanity using FEV, one that could thrive in the post-apocalyptic conditions of the world and to rid humanity of its differences and reasons for waging war. The Master's race of mutants would be dubbed super mutants colloquially by most and would become a permanent presence throughout California and neighboring areas and a long-lasting reminder of the Master's attempt to reform humanity.

Born Richard Moreau,[Non-game 1][1] he would later change his name to Richard Grey while still human. A variety of names used to refer to him by his followers, including Holy Flame, Dark God,[3] Father Hope and others.[Non-game 3] The Master is the antagonist of Fallout, encountered at the Cathedral. Destroying him is required to eliminate the mutant threat, although meeting the Master in person is entirely optional.[Non-game 3]

Quick Answers

Who is the Master in the Fallout 1 game? toggle section
In Fallout 1, the Master, originally Richard Grey, is the primary antagonist. Encountered at the Cathedral, his destruction is crucial to eradicate the mutant threat. The Master's multiple voices are the individuals he absorbed. His defeat signifies the game's final confrontation.
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What is the purpose of the Unity organization led by the Master? toggle section
The Unity, led by the Master, was a political and military organization with the objective of transforming humans into a single, perfect race using the Forced Evolutionary Virus (FEV). This was an attempt to eradicate human inequalities causing strife. Initially, the Unity was the Master's concept of assimilating living beings into himself, but it evolved into a military force by 2137, dedicated to promoting the Master's vision for mankind.
Provided by: Fandom
How did the Master become a hybrid of humans and mutants? toggle section
The Master, the fallout 1 final boss, transformed into a hybrid of humans and mutants by developing and using the Forced Evolutionary Virus (FEV). He captured humans from vaults and the LA basin, mutating them into super-humans. Additionally, he absorbed some of these humans, integrating them into his multiple personalities. His intent was to 'unify' the wasteland with his mutant creations.
Provided by: Fandom
What are the different names the Children of the Cathedral use to refer to the Master? toggle section
The Master, originally a Vault dweller named Richard Grey, is referred to by the Children of the Cathedral as the Dark God, the Night God, and the Holy Flame. He is a psychic entity who controls this religious cult in the Fallout universe.
Provided by: Fandom
What role does the Master play as the final boss in Fallout 1? toggle section
In Fallout 1, the Master serves as the final boss and is crucial to the game's plot. He was once a human but mutated into a monstrous entity after exposure to the FEV virus. His defeat is necessary to eradicate the mutant threat. Despite his role as the antagonist, players have the option not to encounter him personally.
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Richard Moreau was born before the Great War, but little is known about his past except for the fact that he was one of the lucky few who found shelter in Vault 8 when the bombs fell. When the Vault opened in 2092, he was exiled for murder shortly after; traveling to the newly-founded Hub more than four hundred miles to the south and established himself as a doctor there, adopting the last name Grey.[Non-game 1][1] Doctor Grey became popular, especially with one of the caravan masters by the name of Harold, who considered him a brilliant doctor and philosopher.[6] His story could have ended there, were it not for his decision to investigate the mutant attacks that plagued caravans. Along with gangers and scavengers, mutants were the primary problem for caravans, and their attacks were increasing. Caravan masters were forced to hire large numbers of guards, but even with their firepower they kept losing men. Harold, a noted local merchant at the time, organized an expedition to try and find the source of the mutations and shut it down, if possible. Richard Grey joined it, assuming leadership.[2]

The expedition launched in mid-2102. Grey led the small group (consisting of Harold, Francine, Mark and several others) to investigate in a northwestern direction, where most of the attacks came from. On June 23, the expedition discovered Mariposa Military Base and hordes of mutants within, alongside vicious security bots. The group sustained significant casualties while fighting their way into the base. He and Harold were the only ones to locate and enter the Vats, only for the robot crane to crash into them. Harold was knocked out, awakening later in the wasteland. His last memory from the base was the sight of Grey being thrown into what appeared to be an acid bath: a vat full of FEV.[2] Grey floated in the slime for days, nearly drowning, with the extreme level of exposure starting him on the path to becoming the Master.[Non-game 4] After he regained consciousness and dragged himself from the vats, he continued to mutate after the week-long immersion.[Non-game 5][7] The mutation eventually stabilized enough for him to notice his greatly increased mental capacity, capable of resolving the most complex of philosophical questions. He began experimenting on animals infesting the military base by exposing them to the virus. When he dipped a rat and a dog into the virus at the same time, the resulting fusion inspired him to begin formulating a philosophy of unification, laying the groundwork for the Unity.[Non-game 6][7] However, experiments were disrupted by the lack of subjects and his own limited understanding of the virus.[Non-game 7][7]

In December 2102, following a series of directed mutations by injecting doses of the virus into various areas of his mutated body, Grey gained the ability to neurologically link with computers, allowing him to access the base's databanks. Aided by the data, he began experiments on humans who strayed into the facilities, at first, without much luck.[Non-game 8][7] Finally, in January 2103, he isolated radiation exposure as the crucial factor affecting transformation success. The first intelligent super mutant was assimilated by Grey as a fellow mind, creating the fledgling Master hive mind: the Unity began in earnest[7][Non-game 9] as the Master began to gather test subjects from local human communities. The process was slow, hampered by their scarcity, but over the next thirty years he built up a small force of super mutants, until the Great Winter of 2130 caused a shortage of specimens.[7]

In 2131, the Master decided to focus on acquiring subjects (ironically given his original mission) from the increasing number of caravans crossing the wasteland. The human settlements were oblivious to the true nature of the raids, blaming them on wasteland "monsters." Their ignorance allowed the army to grow exponentially.[Non-game 10] By 2137, there were enough super mutants to sustain mass production. While the success rate was between 15-20%, with half going on to join the Master's army, it grew rapidly into a potent military force. The resulting army was named the Unity by the Master, becoming the foundation of his vision for humanity and the world.[Non-game 11] For the next fifteen years, the Unity would expand over New California, adding to its ranks and preparing to make their presence known.

The Cathedral[]

Fo1 Cathedral Townmap

In 2152, the Master enlisted the aid of Morpheus and his doomsday cultists, realizing the benefits of retaining unaltered humans in his service to act as spies throughout the region, thereby expanding his power. To this end, he established the Children of the Cathedral to act as the Unity's public face as well as maintain secrecy.[Non-game 12]

Just three years later, in 2155, the Unity experienced a breakthrough in its operations. After apprehending a caravan of vault dwellers from the Los Angeles Vault (a Vault prototype), the Master transferred his command, along with his immense and pervasive body, to the vault. He also ordered Morpheus' cultists to renovate the building above the Vault, establishing the Cathedral. The cult became known as the Children of the Cathedral and continued to be led by Morpheus, who reported directly to the Master. The Cathedral was guarded by the nightkin, super mutant elite troops equipped with Stealth Boy technology.

The Vault itself provided a wealth of information to the Master and the Unity, most importantly the locations of other vaults. Super mutants began searching their suspected locations, gathering prime subjects for super mutant conversion.[Non-game 13][Non-game 14] Not all operations were successful: the detachment sent to investigate Bakersfield and Vault 12 wound up engaging the ghouls living among the ruins. Fighting only ceasing when Set brokered a ceasefire, explaining that the ghouls were what remained of Vault 12's dwellers. A garrison was left behind to ensure Set's cooperation and apprehend the occasional human passing through.[Non-game 15]

The Master's Destruction[]

MTG The Master, Transcendent art crop

The steady expansion of Unity operations and preparation for the attack on New California, spearheaded by the Children of the Cathedral seemed impossible to prevent.

However, the Master did not account for the Vault Dweller's interference, who managed to uncover the plan while retrieving a water chip for Vault 13. Spurred into action by the Vault 13 overseer, on March 3, 2162, they infiltrated the Cathedral and destroyed it with a nuclear weapon, killing the Master.[Non-game 16] The Unity retaliated by attacking Necropolis, trying to locate the Vault Dweller, but it was too late.[8] On April 20, less than two months after the death of the Master, the Vault Dweller delivered the killing blow to the Unity by destroying the Mariposa Military Base.[Non-game 17] Although they disappeared into the wasteland, the Brotherhood of Steel picked up where the Dweller left off, driving the super mutants away with minimal loss of life for both sides of the conflict, establishing itself as a major power in the wasteland but wisely remaining out of the power structure.[9] Surviving super mutants would attempt to integrate into society or find a new life for themselves, with one attempt being Broken Hills, founded by Marcus and Knight Jacob in 2185, as a place where regular and mutated humans could live side by side.[Non-game 18] Yet other groups migrated away from New California, north and east, looking for new places to settle.[10]

The Unity[]

The Master is the creator and leader of the super mutants. He is also the mastermind behind a movement called "The Unity," the aim of which is to see as many humans as possible turned into super mutants (whether voluntarily or by force) by means of the FEV. He claims that those who cannot be mutated by the virus, as well as those that choose not to, will be allowed to live, provided they submit themselves to sterilization. Those that resist the Unity outright will be executed for trying to stand in the way of the Master's "progress." In theory, the Unity is working toward the betterment of humanity, as super mutants are better adapted to live in a post-nuclear wasteland. Also, according to the Master, turning all living beings into one single race would finally eliminate the differences and the human fallacies that ultimately brought about nuclear war.

However, the Master is unaware of a fatal flaw in his plan: all super mutants are sterile. The Vault Dweller can help Vree, a scientist of the Brotherhood of Steel, come to this conclusion, and later use this information to convince the Master that his endeavor has no chance of success. Or if they decide to join the Unity, the ending will show the Vault Dweller being turned into a super mutant, then show the Vault 13 residents being killed by the super mutants. This ending is non-canon however, as it would contrast with the events of Fallout 2.


In his attempt to become master of all humanity, the Master tried to create guardians through gene splicing but was stopped by the Vault Dweller before he could complete his plans. However, some of his creations have outlived him and continue to roam the wasteland. These abominations include centaurs and floaters, which are often found together as though they feel some sort of kinship for one another.[11]

After the fall of the Master, the mutant army splintered into a number of groups, led by its former generals and officers, with differing goals and behavior. By 2281, the nightkin Tabitha led a group in the Mojave Wasteland called the State of Utobitha located at Black Mountain. However, despite their limited numbers and remote locale, they were still found to pose a threat to the populace of the Mojave Wasteland due to frequent and brutal attacks carried out against travelers. Marcus went on to found Jacobstown, a relatively peaceful super mutant settlement that wished to cooperate with humanity instead of dominate them.


The Master began his life as an intelligent, but otherwise ordinary human. It was not until the expedition into Mariposa that he began to evolve, randomly at first and then by modifying himself with additional doses of the FEV. The virus increased his naturally high intelligence many times over, allowing him to understand complex philosophical questions with ease, while slowly warping and twisting his body. Not all the changes were for the worse, however: As his body changed, the Master gained the ability to neurolink with computers and robotics.[7] His increased intelligence was unarguable but his own experiments still left his practice of the scientific method lacking when he would pursue the creation of super mutants without control groups or predictions to locate his new race's fatal flaw.

Although humans found his appearance repulsive, the evolution provided a countermeasure: It increased the Master's natural charisma and unlocked latent talent. Already gifted with a silver tongue, he became able to persuade others with impeccable reason, logic and in-depth understanding of psychology. Utilizing both, the Master rallied an army of devoted human and super mutant followers around him. The few capable of withstanding the strength of his argument would have to concede in the face of the argument of strength: His growing army of super mutants, made possible by resolving the problems of the pre-War FEV.[12]

The Master was also a psyker. Long-term exposure to FEV gave him the ability to penetrate the mental defenses of others, preying on their greatest fears and breaking them. His control over them was limited and those members of the Unity or the Children who were granted an audience with him were required to wear psychic nullifiers to pass through the Corridor of Revulsion (a psychic projection and extremely vivid hallucination) and the passive psychic field he generated, otherwise they risked physical damage.[13][14]

The Master installed himself into the Los Angeles Vault after relocating there from Mariposa. As he assimilated more and more organisms, his biomass expanded, and the Master integrated himself into the Vault itself, with tendrils spreading throughout the facilities and embedding themselves in the underlying machinery. By the time of the Vault Dweller's arrival, the interior of the vault was dotted with human appendages, extensions of the Master's growing body. His central body was located in the overseer's chamber, where he grew upon and into the command chair. However, the Master neglected to distribute his nervous system in a similar way and the primary brain was still located within the body that assimilated the post and the Vault's main computer.[15]

Interactions with the player character[]

Interactions overview[]

Icon talkinghead
This character has a talking head.
FO76 ui icon quest
This character is involved in quests.


  • Destroy the Mutant leader: The Master is the mutant leader and needs to be destroyed. The Vault Dweller has three options to choose from:
    • Combat includes facing the Master directly. He has 500 HP, a Gatling laser, high AC, and can attack twice per round. Furthermore, he will spawn a super mutant in the corridor every two turns (four at the lowest combat difficulty), up to a maximum of twelve. Hardened power armor and high damaging weapons are a necessity to withstand the damage output, however, the Master will not attack companions or his Floating Eyes. In fact, the robots are not aggressive towards the player and if splash damage hits them, they will turn on the Master.
      • A psychic nullifier is needed for dampening the Master's psychic attacks.
      • Because the Master is integrated into the Vault overseer's chair, he counts as a robotic enemy and is vulnerable to pulse grenades.
      • But an even greater vulnerability is the limited range of his Gatling lasers, which means that there is a window further away in the long hallway from where one can shoot him with a sniper rifle without him being able to retaliate.
      • Saving and reloading will also cause the spawned mutants to disappear but still count towards the maximum of twelve.
    • Diplomacy requires the player character to have read Vree's autopsy report and have at least 7 Intelligence and good Speech. Then it's a matter of asking him about the plan, pointing out a problem with it, and either giving the disk or telling him to ask his female mutants.
    • Stealth involves no confrontation and infiltrating the lowest level via the barracks in the command center. The doors are locked and require a good Lockpick. One can activate the bomb after killing the guards by using Science (70% required), Lockpick (70% required; the test was intended to be for Repair, but the game checks for Lockpick) or the bomb key looted from Mariposa.
    • Finally, it is possible to join his cause simply by talking to him and agreeing to his demands or persuasion. Doing so triggers the dipping ending and the raid on Vault 13, but grants no end slides.

Death animation[]

  • Killing the Master will trigger a unique death animation:
The Master's death animation
Master death animation

Tell me about[]


Apparel Weapon Other items
Gatling laser


Notable quotes[]


The Master appears in person(s) only in Fallout, and has a talking head. He is mentioned in Fallout 2, Fallout 3, Fallout: New Vegas and its add-on Dead Money, Fallout Tactics, Fallout: Brotherhood of Steel, and Fallout: The Roleplaying Game. He was depicted as a miniature in the tabletop wargame Fallout: Wasteland Warfare, and appears in illustrations for the Magic: The Gathering crossover event. Additionally, he would have been mentioned in the cancelled games Van Buren and Project V13, and would have appeared in the cancelled Fallout movie .

Behind the scenes[]


External links[]


  1. 1.0 1.1 1.2 The Chosen One: "{295}{}{What did these Citizens do?}"
    Joanne Lynette: "{345}{lyn045}{Murderers, both of them. Boyarsky was exiled ten years ago, and Richard Moreau was exiled shortly after we left the Vault. Citizenship is a sacred trust -- crime is not tolerated within our walls.}"
    (Joanne Lynette's dialogue)
  2. 2.0 2.1 2.2 Harold: "{124}{HROLD7}{Well, I was a trader. Did pretty good making a circuit between survivors. Lost a lotta good people, though. [Coughs]}"
    Vault Dweller: "{125}{}{How?}"
    Harold: "{126}{HROLD8}{Gangers got'em. Scavengers attacking the caravans. And mutants, son of a dog, if they weren't springing up like rabbits with a mission. [cough] Had to have an army of guards with, just to do a deal.}"
    Vault Dweller: "{128}{}{Where were the mutants coming from?}"
    Harold: "{133}{HROLD10}{Everywhere! Hell, seemed like you couldn't fart without hitting one. But mostly in the northwest.}"
    Vault Dweller: "{135}{}{Why didn't you just avoid the area?}"
    Harold: "{141}{HROLD12}{Needed to see what was there. Maybe stop whatever was churnin them boogers out. We thought we were prepared. Were we wrong.}"
    Vault Dweller: "{142}{}{What did you do?}"
    Harold: "{138}{HROLD11}{We mounted an expedition. God, Richard. Richard Grey. Led a small group of us up there.}"
    Vault Dweller: "{139}{}{Richard Grey?}"
    Harold: "{146}{HROLD14}{Richard Grey was a doctor. Little older than me, and friend was he smart. He found the source.}"
    Vault Dweller: "{147}{}{And what was that?}"
    Harold: "{160}{HROLD18}{Some sort of old military base. We lost a lotta folks getting in there.}"
    Vault Dweller: "{161}{}{How did you know this base was the cause?}"
    Harold: "{165}{HROLD20}{Because it was like someone went bargain shopping at mutantland! Geez! Cheaper by the dozens! Can't figure any other reason except that being the factory.}"
    Vault Dweller: "{166}{}{Did you examine the base closely?}"
    Harold: "{167}{HROLD21}{We got pretty far inside. Wasn't a lot of us left by then. Grey, me and couple of others.}"
    Vault Dweller: "{168}{}{And then?}"
    Harold: "{169}{HROLD22}{One of them robots got Francine. Mark was wounded, sent him back to the surface. Then it was just me and Grey.}"
    Vault Dweller: "{170}{}{What ever happened to Mark?}"
    Harold: "{172}{HROLD23}{To this day, I don't know. He never made it back here, and...well I...couldn't face the wasteland again, so I...I never looked.}"
    Vault Dweller: "{173}{}{What about you and Grey?}"
    Harold: "{174}{HROLD24}{We made it to some sort of central core, like a plant of some sort. That's when it happened.}"
    Vault Dweller: "{175}{}{What?}"
    Harold: "{176}{HROLD25}{A robot crane crashed into us. Last I saw of Grey, he was flying through the air in-into some sort of acid bath. I was in bad shape and...well I passed out.}"
    Vault Dweller: "{178}{}{And you never saw Grey again?}"
    Harold: "{188}{HROLD27}{No, you idiot! I just said I never saw him again, didn't I?}"
  3. 3.0 3.1 3.2 Morpheus: "{234}{MORP55}{We are the high priests of the great Dark God. Thirteen of us are so blessed to pass his mighty words to the rest of the Children. }"
  4. Vault Dweller: "{1016}{}{Cathedral}"
    Loxley: "{1116}{LOX_82}{Now there's a scary bunch. They strut around all day talking about their Night God, as if he's the next best thing since merchant pockets with holes. They can heal you up pretty cheap. I'll give'em that. You can find'em in that hospital of theirs downtown.} "
  5. Master character description: "{100}{}{You see the Master of the Super Mutants.}"
    (Master's dialogue)
  6. The Vault Dweller: "{1000}{}{Richard}"
    Harold: "{1100}{hrold300}{Brilliant guy. A doctor and philosopher. Long ago he lead the expedition where I got changed into a mutant.}"
    (Harold's dialogue)
  7. 7.0 7.1 7.2 7.3 7.4 7.5 7.6 Richard Grey's audio diary
  8. The Vault Dweller: "{104}{}{What happened here?}"
    The ghoul refugee: "{115}{}{The super mutants attacked. We were slaughtered. They had guns and bombs, even some steam trucks. They killed my friends. The mutants just butchered us.}"
    The Vault Dweller: "{117}{}{How did you survive?}"
    The ghoul refugee: "{133}{}{I hid until most of the mutants left.}"
    The Vault Dweller: "{118}{}{Do you know why?}"
    The ghoul refugee: "{122}{}{I heard they was pissed that some human killed their men here.}"
    (Ghoul refugee's dialogue)
  9. Canon Fallout ending for the Brotherhood of Steel
  10. 10.0 10.1 The Chosen One: "{119}{}{So, tell me what you know about the Master.}"
    Leanne: "{144}{}{Well this might take a bit. Be a gentleman and buy me a drink, wouldn't you please? Not whiskey though, Nuka-Cola please.}"
    The Chosen One: "{147}{}{Sure.}"
    Leanne: "{149}{}{Thanks. Now let's see... I remember my mom telling me about this huge migration that happened 70... or was it 80 years ago...}"
    The Chosen One: "{150}{}{Please, go on.}"
    Leanne: "{151}{}{Really big mutants with weapons as tall as you and me came from the south. Mom said it looked like a big migration of some sort.}"
    The Chosen One: "{152}{}{How many?}"
    Leanne: "{153}{}{Don't know, but there were multiple groups of them. Some would continue north, others headed east. No one knew where they were going.}"
    The Chosen One: "{154}{}{Go on.}"
    Leanne: "{155}{}{They were quite upset and seemed to be fleeing from something.}"
    The Chosen One: "{156}{}{Really?}"
    Leanne: "{157}{}{Yeah, there were also others in dirty, tattered purple robes... they kept babbling about how the Master was dead...}"
    The Chosen One: "{158}{}{Interesting.}"
    Leanne: "{159}{}{Some of them even committed suicide right here in town!}"
    The Chosen One: "{160}{}{So?}"
    Leanne: "{161}{}{Well don't you see. They were talking about the Master, the one your ancestor killed.}"
    The Chosen One: "{162}{}{Thanks for the story.}"
    (Leanne's dialogue)
  11. Fallout 2 Official Strategies & Secrets
  12. Master's appearance in Fallout.
  13. Viscious: "{202}{}{The will of the Master prevails. What news do you have for me?}"
    The Vault Dweller: "{205}{}{I have a message for the Master from his Lieutenant. I must see the Master now.}"
    Viscious: "{209}{}{You cannot be serious. In fact, you must be lying.}"
    The Vault Dweller: "{211}{}{I'm not. The Lieutenant could not trust this message to the usual method. I have to see the Master right now! There is no time to waste!}"
    Viscious: "{212}{}{Then use the door, and beware the Corridor. I assume that you have your protection in place?}"
    The Vault Dweller: "{214}{}{No, not really. Should I?}"
    Viscious: "{215}{}{Of course! You cannot hope to pass the Corridor without it. What did you do with your nullifier!}"
    (Viscious' dialogue)
  14. The aforementioned Corridor of Revulsion before the Master's control room.
  15. Appearance in Fallout
  16. The Chosen One: "{130}{}{Hell, I’m not too busy. Let’s hear it all.}"
    Marcus: "{136}{mcs10}{Right...After the Master and the vats were destroyed, I wandered a bit. No place to go. One day got attacked by this fool wearin’ power armor.}"
    (Marcus' dialogue)
  17. The Chosen One: "{200}{}{Oh, it can’t be as bad as all that. They seemed like reasonable people to me.}"
    Harold: "{206}{hld32}{Reasonable? Reasonable! Well, I’m sure people said the Master was reasonable, too. What a bonehead. Get the hell out. Now!}"
    (Harold's dialogue)
  18. The Chosen One: "{183}{}{How about the long version?}"
    Fung: "{186}{}{The long version is this: We are here because our people are the descendants of the crew of a nuclear submarine, called the Shih-huang-ti. When the missiles fell in the Great Deluge, the systems aboard the submarine failed and we drifted in the dark for many days.}"
    The Chosen One: "{187}{}{-more-}"
    Fung: "{188}{}{At last, we drifted ashore. We found ourselves near the ruins of San Francisco. Most of the city was devastated in the war. We had to recreate society based on the few survivors who had crept back to the city.}"
    The Chosen One: "{189}{}{-more-}"
    Fung: "{190}{}{We rebuilt with what we could find, and we have scientists and technology the world must envy. We are rebuilding civilization, but not as that horrid Master creature did.}"
    (Fung's dialogue)
  19. The Vault Dweller: "{177}{}{Tell me about the Cathedral.}" Lasher: "{216}{}{The Cathedral is a sanctuary for the human race. When the apocalypse fell on this foul city, the Cathedral was spared, which allowed for the birth of the Master. Thus a healing darkness emerged from a terrible light.}" "{217}{}{ When I came, I saw this place lacked a moral center, and so I have endeavored to administer teaching pain to a place once consumed with idle pleasure. That is all you need to know.}"(Lasher's dialogue)
  20. The Lone Wanderer: "A genetic mutation of that magnitude could only be caused by F.E.V."
    Harold: "Whoa-ho! Check out the brain on this guy! It was a long time ago... I tend to lose track. I was exploring some sort of a military base with some other people... I think it was called Mariposa. We were pretty deep inside and we found some weird vats of this nasty green goo. Right when we were about to leave, I think we were attacked. Last thing I remember before blacking out was something knocking my friend into the stuff."
    (Harold's dialogue)
  21. Tabitha: "Do you remember the good old days where the Master ruled over us all?"
    Rhonda: "When his gentle, compelling, and yet oddly insistent voice crawled through your mind and told you exactly what to do?"
    Tabitha: "Do you miss a time when you didn't have to think for yourself, and enjoyed lazy days of following the bellowed commands of others?"
    Rhonda: "Those days can be yours again, for Best Friend Tabitha, the esteemed leader of the State of Utobitha, is here to tell you what to do!"
    Tabitha: "That's right! I, Tabitha, will take on the burden of your obedience!"
    Rhonda: "Acceptance into Utobitha pending Best Friend Tabitha's approval. Best Friend Tabitha reserves the right to turn down applicants for any reason, including whimsy or boredom. Acceptance into Utobitha open to mutants only. Former human servants of the Master conditionally accepted for purposes of centaur feeding duties."
    Tabitha: "Utobitha! Come, take a load off your mind!"
    (Tabitha's dialogue)
  22. The Courier: "You were a soldier?"
    Lily Bowen: "A spy. Sometimes an assassin. I killed a lot of folks for the Master. Yes, Leo, you helped, too."
    The Courier: "Who was the Master?"
    Lily Bowen: "Oh, he was a nasty man, dearie. You don't want to know about him. He was the one who made that Super mutant army I told you about."
    The Courier: "What happened then?"
    Lily Bowen: "That wicked old Master got what was coming to him, that's what! After his cathedral blew up, I decided it was high time to go home."
    (Lily Bowen's dialogue)
  23. The Courier: "Super Mutant army?"
    Marcus: "Long story, so here's the short version. The Master created the Super Mutants and Nightkin. The Master thought he could unify everyone. No more differences, no more war. Didn't end well."
    (Marcus' dialogue)
  24. The Courier: "And who are you, exactly?"
    Davison: "Me? I am devoted to Antler. But before Antler? Hmm... Captain, once. Last name, Davison. First name... don't remember. I commanded a troop of Nightkin. The Master's elite. A great honor, very proud. Something happened. We wandered the desert. Life without Master was... hard. The others' minds going strange, going crazy. But then I found us new master. I find us Antler! Since then, everything's been going really well."
    (Davison's dialogue)
  25. The Courier: "Do you know anything about that Super mutant walking around town?"
    Klamath Bob: "Oh, heh. Yeah, that's Mean Sonofabitch. I know the name sounds bad, but he likes it. He's one nasty old coot. Far as I can tell, he's one of them original Super Mutants, what came from the Boneyard. Wandered about after that "Master" fellow died. Eventually got caught somewhere around the Hub, back in NCR. Boy, they sure treated him mean down there. Cut him up so bad he can't talk no more. I tried to buy him, just so they'd stop hurting him, but they didn't want any of it."
    (Klamath Bob's dialogue)
  26. The Courier: "Why does that make him go away?"
    God: "Dog is afraid of me as long as the Master isn't around."
    The Courier: "Why did you put emphasis on the word 'Master' before?"
    God: "[SUCCEEDED] The "Master" - Elijah... reminds Dog of someone from long ago. His leader, commander. Commanders. The Master was a strong personality... personalities as well. Dog is slavish, was conditioned to serve the Master until death. The Old Man... Elijah merely came along and opened that door in Dog's mind. Now Dog does whatever the Old Man wants."
    (God's dialogue)
  27. Toccamatta: "Gammorin? *pant pant* Gammorin, is that you? I failed you my lord. AARRRGGGHHH! *cough* We all failed you... Whole platoon wiped out by that one monster... They crushed us... those things... they don't feel pain... *cough* ...I used to... think the same thing once. They took my prisoner, General Barnaky... I didn't have time... get any information from him. He's a tough nut to crack all right... *chuckle, cough, sharp inhale* don't like mutants much, either... You should've seen it, Gammorin... It looks like an angry god... breaths fire and death... *cough* ...my death. I'm going to die. I *sputter* don't hurt any more. Why is it so bright? I hope it's not that damn robot again... Master..."
    (Toccamatta's dialogue)
  28. Journal of Sir Latham
  29. Joe Grimm: "Maybe the Master was wrong. Maybe you normal humans -AIN'T- all scum-sucking fleshbags and maybe it's me but the old Brotherhood would of shot first and asked questions later. We just might have to check out this new Brotherhood for ourselves. Seeya around! Let's go gimpy. Heh heh."
    (Joe Grimm's dialogue)
  30. The Initiate: "Mutant army? You mean there are lots more of you freaks?"
    Attis: "Yes, we are many. A mutant army. The destruction of our Master has only strengthened our resolve. We will control this vault - and its scientific secrets - then use it as a base of operations for our war on humanity."
    (Attis' dialogue)


  1. 1.0 1.1 1.2 Fallout Bible 0: "2092 Dr. Richard Moreau is exiled from Vault City for murder. The circumstances surrounding the murder are unknown, but he changes his last name to Grey and heads south."
  2. Fallout Bible 0: "2162 March 3 Vault Dweller kicks the Master's ass."
  3. 3.0 3.1 3.2 3.3 Fallout Official Survival Guide pp. 106-107: "The Master: The Supreme Boss Behind It All"
    "The Master is not a nice person."
    "Once a normal human, long ago, he was mutated by exposure to the FEV virus. Along the way since then, he has somehow hybridized with other human mutants and with computers, turning him into a rather strange and schizoid monster who speaks in multiple voices. As "the Holy Flame" and "Father Hope," he rules the Children of the Cathedral, who figure in his plot to infect all humans with FEV and take over the entire world."
  4. Fallout Bible 0: "2102 June 23 Richard Grey's Expedition [including Harold] finds the Mariposa Military Base and the Expedition is scattered and defeated by mutants at the base. Grey is knocked into one of the vats of FEV by a robotic arm, and Harold is knocked unconscious, only to awaken later out in the wasteland."
  5. Fallout Bible 0: "2102 July Richard Grey, now horribly mutated by the virus, crawls from the Vats covered with FEV and in terrible pain. Barely able to think or perceive his surroundings, he crawls into the Vat control room and begins his audio log. He fades in and out of consciousness, sometimes for days or weeks at a time."
  6. Fallout Bible 0: "2102 July-Nov Richard Grey begins to acclimate to his condition, and begins his first tests of animals by exposing them to FEV. These experiments and his growing awareness lay the foundation for his plans for the Unity and the master race. He takes the name, "the Master.""
  7. Fallout Bible 0: "2102 Nov The first human victim wanders into Mariposa, and Grey consumes him."
  8. Fallout Bible 0: "2102 Dec Grey continues his experiments on wanderers that enter Mariposa... with no success. The creations are flawed (due to the radiation counts in their bodies), making them big but incredibly stupid, and Grey consumes them rather than letting them live."
  9. Fallout Bible 0: "2103 January The Master discovers the problem with the influence of radiation on his mutations, and he begins to choose his subjects more carefully. The first classic super mutants are born, butt-scratching animations and all. He begins his plans to build an army."
  10. Fallout Bible 0: "2131-2135 The Master begins ordering his super mutants to gather human stock from caravans. For many years, the caravan disappearances are blamed on monsters in the desert, and even when the abductions begin to occur on Hub caravans, the deathclaws are blamed. The super mutant army grows."
  11. Fallout Bible 0: "2137 Master's begins to mass-produce super mutants. Only about one in six or one in five attempts are successful, and of these successes, only half seem to last to go on to be part of his growing army, called the Unity."
  12. Fallout Bible 0: "2152 As their influence slowly spreads throughout the wastes, the Master finds humans, doomsday cultists, and rather than dip them in the vats, he demands their obedience as spies - their leader is a man named Morpheus, and he pledges his followers to the Master. Morpheus and his cultists form the future core of the Children of the Cathedral."
  13. Fallout Bible 0: "2155-2156 After capturing a caravan of strange-garbed travelers (vault dwellers), Master learns the location of the Boneyard Vault, the future site of the Cathedral. He conquers the inhabitants and sets up operations there, and the human cultists begin to use the Vault as their powerbase. Within the Vault, the Master learns of other Vaults, and realizing their human occupants are ripe for transformation, begins to send out patrols to Vault locations in search of these other Vaults."
  14. Fallout Bible 5: "2155-2156 After capturing a caravan of vault dwellers, Master learns the location of the Boneyard Vault, the future site of the Cathedral. He conquers the inhabitants and sets up operations there, and the human cultists begin to use the Vault as their powerbase. Within the Vault, the Master begins to send out patrols to Vault locations in search of these other Vaults."
  15. Fallout Bible 0: "2157 The Master learns the location of the Bakersfield Vault, Vault 12, and sends a detachment of super mutants there to seize the vault. Many ghouls are snapped like twigs in the attack, and Set finally parleys with the super mutants, telling them that the ghouls are the Vault survivors the super mutants are looking for. The super mutants, angered at failing to find an intact Vault, set up a small garrison at the watershed to watch the inhabitants and insure Set's... cooperation in the war to come."
  16. Fallout Bible 0: "2162 March 3 Vault Dweller kicks the Master's ass."
  17. Fallout Bible 0: "2162 April 20 Vault Dweller destroys the Military Base. Dogmeat dies defending his master."
  18. Fallout Bible 0: "2185 Summer At high noon, Marcus and Brotherhood of Steel Paladin Jacob cross paths many, many miles southwest of Broken Hills and punch and shoot each other for a few days. Eventually, they give up, unable to get an advantage over the other. The two start traveling together, arguing over Master and BOS doctrine and whether or not the Master could truly neurolink his biology into the Cathedral computer network."
  19. Fallout Bible 0
  20. Fallout Official Survival Guide pp. 106-107


Major antagonists