Kenjaku

An ancient sorcerer who has survived for over a thousand years by transferring his brain into different host bodies. Each body grants him access to that person's innate technique while retaining his own abilities and accumulated knowledge. He wore Kaori Itadori'sKaori ItadoriHumanYuji's mother, or rather, the body Kenjaku was wearing when Yuji was conceived. Kaori's original innate technique, Antigravity System, was retained by Kenjaku even after switching ... body (gaining Antigravity SystemAntigravity SystemInnate TechniqueMost sorcerers have one trick up their sleeve. Kenjaku had several, and this was the one he kept hidden the longest. Antigravity System manipulates gravitational pull in two distin...), then Suguru Geto'sSuguru GetoSpecial Grade · HumanOnce Gojo's closest friend and equal at Tokyo Jujutsu High, Geto's innate technique, Cursed Spirit Manipulation, required him to physically consume cursed spirits to add them to hi... (gaining Cursed Spirit ManipulationCursed Spirit ManipulationInnate TechniqueConsume a cursed spirit. Own it forever. Deploy it whenever you want. Consume enough spirits and you're not fighting with one technique, you're fighting with an army. That's the co... with its army of four thousand spirits).

Kenjaku's endgame was the forced evolution of humanity through merging TengenTengenHumanAn immortal sorcerer who has been holding up the barriers around jujutsu society for a thousand years from inside a sealed chamber. Their body has drifted a long way from human, an... with every non-sorcerer in Japan using stolen Idle TransfigurationIdle TransfigurationMahito's innate technique. He reshapes a soul by touching it, and because the body follows the shape of the soul, the body changes with it. On himself it is a defence nothing physi.... The Culling Game was the mechanism to achieve this: a battle royale designed to generate enough cursed energy to fuel the merger.

Every major event in the series, Gojo's sealing, Shibuya, the Culling Game, the assault on TengenTengenHumanAn immortal sorcerer who has been holding up the barriers around jujutsu society for a thousand years from inside a sealed chamber. Their body has drifted a long way from human, an..., traces back to Kenjaku's centuries of planning.