So they're the same person, it's just that when kenjaku took over. Geto is kenjaku, kenjaku is a brain and kenjaku hijacked geto's body. [theory] kenjaku has been around since even before tengen came into existence, and the history of jujutsu precedes tengen’s birth.
Jujutsu Kaisen Kenjaku's Next Body, Explained
He has complete physical and. Kenjaku is an obsessive mad scientist. As we've seen him, he's just a brain that enters someone's body and takes it over, cursed technique and all.
And, of course, it's kenjaku who has the last laugh here, absorbing.
With him dead it means one of our best lore droppers are dead. A majority of characters, human or curses, run, jump, react and strike like peak. Kenjaku still has an unknown amount of cursed spirits, some of which are special grades that can handle themselves so long as kenjaku prevents yuta from using rct, and. Geto was already killed by gojo.
First thing first, jjk's physical stats are much more grounded than most battle shounens out there. But since kenjaku remembers her as kaori itadori in the latest chapter, i think it's now pretty clear that (along with other hints here and there) kenjaku inhabited yuji's mother's. Kenjaku takes over the mind of his host; Kenjaku all the way back in chapter 136 states “what i can create does not exceed the bounds of my own potential” and thats what the merger is supposed to do.
In other words, mahito's final form is a refutation of his own philosophy, and a vindication of kenjaku's.
Kenjaku wants to evolve humanity because he wants to see and unlock the limits of human potential and the potential of cursed energy. Kenjaku is old and was the one with all the answer.
