Why did Geto turn evil in Jujutsu Kaisen? Geto turned evil after a series of unfortunate events that led him to snap and murder a whole village. During Gojo’s Past arc when they were students ...

The basis of this theory is that Geto's past life in Jujutsu Kaisen had the necessary Cursed Technique for Kenjaku's Death Paintings experiments and could also explain how the latter came up with ...