| “ | Trickster... Welcome to my Velvet Room. | „ |
| ~ "Igor" greeting the protagonist. |
| “ | Was the human world worthy of 'salvation'? Or 'destruction and rebirth'? ...It was all a part of my game. | „ |
| ~ Yaldabaoth's true nature. |
Yaldabaoth, also known as the God of Control, Holy Grail, Malevolent God, Prison Master, and Warden is the overarching antagonist of Persona 5 behind Masayoshi Shido, serving as the story's Bigger Bad and final boss behind everything happened in the game's story. He is the manifestation of humanity's wish for order and control, considers himself to be a god, and represents all of the deadly sins.
Residing in the center of Mementos while pretending to be Igor, Yaldabaoth is the one behind the Metaverse's origin, the conspiracy of Masayoshi Shido and his minions, as well as all the turn of events by granting the Protagonist and Goro Akechi their Persona power. He manipulated The Phantom Thieves of Hearts and Shido to make them go against each other, while he himself would either destroy the world (if the conspiracy ensued) or enslave humanity (if the Phantom Thieves won) dependent on the outcome. Whatever the outcome is, humanity would eventually fall under his control.
He is voiced by Masane Tsukayama (who also voiced Zouken Matou) in Japanese, and by David Lodge in English.
Biography
Before the Game
Yaldabaoth disguised as Igor
Yaldabaoth was created as the Treasure of Mementos, a manifestation of humanity's wishes to be ruled over. The public's cognition turned Yaldabaoth into a god. Yaldabaoth saw the corruption of humanity through the Deadly Sins and decided that humanity should be met with ruin.
Igor, the proprietor of the Velvet Room, disagreed, believing that humanity could be saved. Too prideful to allow himself to be proven wrong, Yaldabaoth absorbs the Velvet Room into Mementos, a large portion of another realm known as the Metaverse that is maintained by his presence and the public's cognition. From there, he imprisoned Igor and split Igor's Assistant, Lavenza, into two twin wardens known as Caroline and Justine, who were taught that humanity should be punished. Yaldabaoth then decided to conduct an experiment to decide if humanity should be ruled over by him or allowed to live without him. He put two people against each other in a game. The first was Goro Akechi, meant to incite panic and chaos within the public with Shido's conspiracy ordering mental shutdowns and psychotic breakdowns of their opponents so Shido could become prime minister. This would ensure that Japan and then the world would be placed under brutal, authoritarian control of their own will, which Yaldabaoth would in turn rule over himself. Simply put, if Akechi won, then humanity would be met with ruin. The second was the protagonist, who would become a trickster and rise up against the corruption of society. If he won, then humanity would be saved, but Yaldabaoth rigged the outcome by influencing the public's cognition into following his preferred outcome regardless of how much the protagonist was able to succeed, ensuring that he would rule no matter who ended up outsmarting the other.
Prologue - Final Heist: Mementos
Yaldabaoth installed the Metaverse Navigator on the protagonist and Akechi's phones so they could navigate through palaces. The protagonist first meets Yaldabaoth when sleeping his first night in Tokyo. Yaldabaoth disguises himself as Igor, claiming to be Igor himself, which he does for most of the game. Yaldabaoth observes the protagonist's process, which he calls the protagonist's "rehabilitation" as the protagonist forms the Phantom Thieves and takes down the rulers of each Palace, steadily providing the protagonist with more services of the Velvet Room. Once the Phantom Thieves defeat Akechi and Shido, they come to realize that the public is not concerned with punishing him for his crimes as they should be, and have become distorted in desiring a strong ruler to lead them no matter how cruel they may end up being. Yaldabaoth, still disguised as Igor, declares that mankind's distortion may no longer be able to be fixed and that ruin is now inevitable; Caroline and Justine are noticeably disturbed by his declaration
Phantom Thieves confronting The Holy Grail.
This turn of events inspires them to descend into the Depths of Mementos, the deepest part of the public's collective Palace. There, the Phantom Thieves find the Holy Grail at the core of Mementos. The Phantom Thieves try to fight The Holy Grail, but due to the distorted will of the masses, the Holy Grail is instead healed after they attack it, making it impossible to defeat. Yaldabaoth proceeds to fuse Mementos with the real world, causing the Phantom Thieves to disappear due to them not being relevant in the public's cognition in an unconscious effort to absolve themselves of all blame and carry on being blissfully ignorant.
After Mementos
After disappearing, the protagonist wakes up in The Velvet Room where Yaldabaoth informs him that he lost the game. Much to the surprise of even Caroline and Justine, Yaldabaoth sentences the protagonist to be executed, stating that the defeated must forfeit his life. The protagonist ends up standing up to Yaldabaoth and then twins, fully awakening his rebellion as shown by his prison door disappearing. Caroline and Justine end up fighting the protagonist, but before they kill him, they start to regain their memory and thus refuse Yaldabaoth's orders. The twins then tell the protagonist to fused them together which restores their true, unified form: Lavenza. From here, it is finally revealed that "Igor" was actually Yaldabaoth all along. Yaldabaoth tempts the protagonist with a world where the Phantom Thieves are loved and respected. Should the protagonist accept, it is implied that the Phantom Thieves have become no better than Akechi, and the public are doomed to be imprisoned by Yaldabaoth's control forever. If the protagonist refuses, this makes Yaldabaoth leave the Velvet Room, which in return frees the real Igor and cements the path to the game's true ending.
The Protagonist and Lavensa Confronting Yaldabaoth as Igor.
Yaldabaoth then returns to his temple in the now fused world, watching the ruin of humanity as all who aren't relevant to the public's cognition being to disappear. The Phantom Thieves of Hearts, after having the truth of what happened revealed to them by Lavenza, restore themselves into the public's cognition and make their way to Yaldabaoth's temple. They battle each of his four archangels along the way, shown to loosen Yaldabaoth's grip on the public but it is still not enough to stop him completely. Upon entering the temple again, they fight the Holy Grail for a second time, now figuring out that they need to disconnect the tubes that sustain Yaldabaoth and prevent him from dying. The Phantom Thieves then defeat his giant Holy Grail form.
Final Battle
After being defeated as the Holy Grail, Yaldabaoth reveals his true form as a giant, faceless, mechanical angel and throws the Phantom Thieves into the final battle. Whie fighting him, Yaldabaoth releases the deadly sins onto the Thieves for his main attacks. After a long fight, Yaldabaoth ends up releasing a super attack that the Thieves stand no chance against, and they fall. A fervent protestation by Morgana rallies both the public and the Phantom Thieves to stand up again. This opens the public's eyes as they all start to remember the Phantom Thieves and all they've done. As mankind's hope is poured into the Phantom Thieves, the protagonist's initial Persona, Arsene reappears as the protagonist is having his Second Awakening. Yaldabaoth mistakes this as the protagonist failing to harness power, however, he is interrupted as Satanael appears. Yaldabaoth tries to use the super attack on the Phantom Thieves again, but the will of the public protects the Thieves, making them immune to it. The protagonist then uses Satanael's Sinful Shell to end Yaldabaoth once and for all. After Yaldabaoth is defeated, he reverts back into the mindless form of the Holy Grail which Morgana steals. This erases Mementos and the Metaverse as a whole, preventing it from every being used for evil ever again.
Appearance
Yaldabaoth in his true form appears as a large white mechanical life angel. His central body resembles the Holy Grail by its shape. Above his head is a Halo and on both sides of him are large red and golden wings.
As the Holy Grail, Yaldabaoth first appears as a Large black machine in the shape of the Holy Grail. This form progressively turns into the color gold as the Public feeds its distorted desires into him.
Personality
Yaldabaoth talks about humanity in a cold, insensible, and undemonstrative way. He also treats everyone as below him, like he is the supreme being. Yaldabaoth is typically described as malevolent by Lavenza. Ryuji describes him as being "the perfect example of a pain-in-the-ass old man", with his arrogance and pettiness proving precisely why he should not ever be allowed to rule over humanity. In turn, Yaldabaoth's arrogance is what allows the Phantom Thieves to secure victory against him, firmly proving that he is not flawless as he believes.
Trivia
- While disguised as Igor, Yaldabaoth is never referred to as Igor by anyone but himself. The Twins simply call him Master. The Confidant Menu calls him the Prison Master. In the credits, his voice actor is listed to voice "Warden".
- Yaldabaoth's portrait (when disguised as Igor) was once showed like regular Igor portrait, with widened eyeballs, but when his true nature was revealed, his left eye noticeably narrowed a bit, giving himself a malicious expression on his face.
- In Gnosticism, Yaldabaoth, also known as the Demiurge, is viewed to be the Evil God portrayed in the Old Testament. He is an entity unable to perceive other expressions of the divine, leading him to believe he is the supreme deity of the universe. In an attempt to create order from the perceived chaos of the cosmos, Yaldabaoth chained the soul and heart in mortal forms and punishes those who refuse to adhere to his rule. In some traditions, Yaldabaoth is eventually cast into the Gnostic equivalent of Hell, where he becomes the judge and torturer of wicked souls.
- When disguised as Igor, a few differences can be noticed between him and the real Igor. His voice is much deeper than Igor's voice. He talks about humanity in a much colder attitude than Igor. When first speaking to the protagonist, he calls the Velvet Room 'his' Velvet Room, which Igor has never done in past games.
- Due to the original Japanese voice actor of Igor, the late Isamu Tanonaka, already passed away before the game's release, the change of voice actor in the Japanese version was hardly regarded as a foreshadowing of the plot twist in the final chapter. When the real Igor was presented, all of his voiced lines were all archive audio recorded by Isamu Tanonaka from his previous appearance, which was already deployed in all of the film adaptations Persona 3 and the animated adaptation of Persona 4 Golden. Most of his new lines were either voiceless, or were assumed to be spoken by Lavenza in his stead.
- However, while the voice actor was also changed in the English version, the previous English voice actors of Igor, Dan Woren (for most of the series) and Vic Mignogna (Persona 4 Arena Ultimax only), are both alive. When the real Igor appeared, his English voice actor was yet another one; Kirk Thornton.
 Villains
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SEBEC Route Takahisa Kandori | Nyarlathotep | Pandora Snow Queen Quest Victims of the Snow Queen Mask | Tomomi Fujimori | Night Queen
Innoncent Sin Masked Circle | Master Joker | Tatsuya Sudou | Junko Kurosu | Anna Yoshizaka | Ginji Sasaki | Akari Hoshi | Nyarlathotep Eternal Punishment New World Order | Tatsuzou Sudou | Kiyotada Sumaru | Takahisa Kandori | Chizuru Ishigami | Nyarlathotep
Strega (Takaya Sakaki | Jin Shirato | Chidori Yoshino) | Kouetsu Kirijo | Shuji Ikutsuki | Nyx Avatar Persona 3 FES
The Killer | Mitsuo Kubo | Izanami Persona 4: Arena & Persona 4: Arena Ultimax Sho Minazuki | Shadow Labrys | Malevolent Entity
Suguru Kamoshida | Sphinx | Sae Niijima | Antisocial Force (Ichiryusai Madarame | Junya Kaneshiro | Kunikazu Okumura | The Traitor | SIU Director | Sugimura | Kobayakawa | Masayoshi Shido | Yaldabaoth) Persona 5 Royal Persona 5 Strikers Alice Hiiragi | Ango Natsume | Mariko Hyodo | Shuzo Ubukata | Akira Konoe | Jyun Owada | Kuon Ichinose | EMMA | Lock Keepers
Teru Gojuin | Dark Yashiro | Yatsufusa Hatanaka
Persona Q Clockwork God Persona Q2 Kamoshidaman | Enlil
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