Kenjaku

Kenjaku is one of the primary antagonists of the Jujutsu Kaisen series. He is an ancient sorcerer who pursues the goal of "evolving" humanity via cursed energy, thereby ushering in a new golden age of jujutsu sorcery paralleling the Heian Era. Using his cursed technique that allows him to transplant his brain into different bodies to possess them, he has inhabited different people throughout the centuries, assuming different identities.

Among those he has possessed was Noritoshi Kamo over 150 years ago, as whom Kenjaku became known as history's evilest sorcerer and a stain on the Kamo Family. Currently, Kenjaku possesses the body of the deceased Suguru Geto—whom he chose for his Cursed Spirit Manipulation—and has assumed his identity as Pseudo-Geto (（）).

Appearance
As Noritoshi Kamo, Kenjaku takes the same appearance as Noritoshi himself, only with a stitched scar running horizontally through his forehead.

As Suguru Geto, Kenjaku takes the same appearance as Suguru himself, only with the same stitched scar through his forehead. It was shown that Kenjaku was able to remove the top part of his head in Suguru's body and reveal his brain.

Personality
While in the body of Suguru Geto, Kenjaku displays a relaxed, cheerful and cocky attitude.

Although willing to work with cursed spirits to achieve his own ends, he reacted negatively when these spirits acted like they were his equal. He proved to be a civil collaborator as he told Jogo and the others exactly what they needed to do and even formed a friendly bond with Mahito. In his spare time Kenjaku would even play board games with them. This relaxed and condescending attitude remained during fights, where he would praise the abilities of his opponents. Although Kenjaku occasionally pauses claiming that he is talking like somebody else. This implies that at least some of his habits come from the original Geto's personality influencing him.

As shown in his conversation with Yuki Tsukumo, Kenjaku believes that the next stage of human evolution is not "removing themselves of cursed energy", but is instead "optimizing cursed energy". This belief being the main reason to his actions and all of his unethical and inhuman experimentation on both cursed spirits and human beings and the main motivation for his current plots.

Abilities and Powers
Overall Skill Level: As a thousand-years old sorcerer, he possesses incredible knowledge about curses, cursed techniques and jujutsu world overall. He was stated by Tengen to be the second most powerful barrier user after himself. During his possession of Noritoshi Kamo, he became known as history's evilest sorcerer and he is able to create special grade cursed objects Cursed Womb: Death Paintings thanks to his experiments.

In Suguru Geto's body, he has led a group of incredibly powerful special grade curses and made them into a functioning team capable of being a great threat to the Jujutsu world and Japan. He makes great use of his current cursed technique, arguably more knowledgeable about it than its original user.

Master Hand-to-Hand Combatant: Due to his more than 150 years of existence, Kenjaku has amassed a variety of experience with hand-to hand combat. This was proven when he contended with and overpowered Choso in a battle of pure physical blows.

Immense Tactical Intellect: Kenjaku's greatest asset, however, is his immense amount of intelligence and planning. Kenjaku can lay plans which are so advanced, they can span millennia before coming to fulfillment.

In the modern age, he is the mastermind behind Mahito's group and the entire Shibuya Incident, including the eventual sealing of Satoru Gojo. He is the reason why the group was even able to function, due to the vastly opposing nature of the cursed spirits' personalities. Kenjaku masterminded the attack on Jujutsu High and is the organizer of the Culling Game and its rules.

The only weakness to his planning, however, seems to be the Six Eyes, but he has seen a way around that in the modern age. He is a skilled manipulator, as he planned to make Mahito and Jogo grow, only to absorb them, something that he achieved with the former, but not the latter due to Sukuna killing him. Due to his intelligence, he can quickly deduce the strengths and weaknesses of cursed techniques and has a deep, fundamental understanding of Jujutsu as well.

Battles & Events
Shibuya Incident Arc


 * The Shibuya Incident
 * Jujutsu Sorcerers & Choso vs. Pseudo-Geto & Uraume

Trivia

 * According to Jujutsu Kaisen Official Fanbook:
 * He was able to take over Geto because Gojo did not cremate his body.
 * He doesn't heal the scar on his forehead because It’s a “binding.” He uses reversed cursed technique.
 * The brain who takes over Getou’s body is one part of a curse user’s flesh. So he can be seen by normal people. The technique that can cross (into other people’s) body is just like Orochimaru. He has his own technique in the body that he left behind, so he can sort of have two cursed techniques. When he moves over, the technique from his original body disappears, but he has a lot of tricks up his sleeves.
 * His fellow cursed spirits do not know someone has taken over Geto's body. They don’t know. They simply think that he is a curse user who knows a lot of various things. But Choso is a little bit… well, that is for later.
 * He has a strictly business-only relationship with the other cursed spirits. In reality, he looks down to the curse spirits who have organized themselves but both sides do the same, so it’s not a problem.
 * In a one on one fight, he can take on his fellow cursed spirits and use his technique on them. But he thinks Jougo and Mahito to be quite tough.
 * He has never considerend taking over the body's of Gojo and Toji. Gojo is impossible. To put it simply, he can’t be killed. Toji isn’t impossible, but if he is to take over Toji’s body, there’s a fear that Toji’s Heavenly Restriction and his technique may clash, so there’s not a lot reason to take over the two of them
 * He has a technique that can alter (take over) the flesh body by swapping in the brain. In addition to original innate technique of the user, the innate technique engraved in the altered body can also be accessed. The memory of the body is also inherited. By changing into a number of bodies from time to time, he can continue to live for millennials. It’s a technique that can exceed biological reasoning.