In the manga and anime series "Jujutsu Kaisen",, Ryomen Sukuna is killed by Yuji Itadori. Sukuna is a cursed spirit who was brought back to life after one of his fingers was ingested by Yuji. Sukuna's death occurs after a fight between him and Yuji, where Yuji is able to defeat Sukuna using his Domain Expansion and a black flash attack. Here's a more detailed breakdown: Reincarnation and Cursed Objects: Sukuna is a reincarnated sorcerer who came from a cursed object (his fingers). Host and Vessel: When Sukuna's fingers are ingested, he is brought back to life and inhabits the body of his host (Yuji initially, then Megumi). Separation and Death: Being separated from his host, Sukuna, like other reincarnated spirits, would normally perish. Yuji's Killing Blow: In the final confrontation, Yuji defeats Sukuna, who is then separated from Megumi's body and disintegrated into the wind. Soul Limbo: In the soul limbo, Sukuna essentially surrenders his soul to...