Sukuna

Ryomen Sukuna is the King of Curses in Jujutsu Kaisen — an ancient, monstrous sorcerer whose sealed power is unleashed inside Yuji Itadori, making him the series' most fearsome antagonist. Spoilers follow.

Background

Worshipped and feared as a calamity in the golden age of sorcery, Sukuna's remains became indestructible cursed objects. When Yuji swallows one of his fingers, the King of Curses gains a foothold in the modern world — biding his time within his unwilling host.

Powers & Abilities

Ability	What it does
Cleave & Dismantle	Slashing techniques that carve through anything
Malevolent Shrine	A domain expansion that shreds everything in a vast radius
Reverse Cursed Technique	Heals his own wounds instantly
Immense mastery	Centuries of unmatched combat experience

Personality

Cruel, arrogant and utterly self-interested, Sukuna views others as playthings and measures everything by strength. His casual ruthlessness makes him terrifying.

Relationships

• Yuji Itadori — his vessel and reluctant host.
• Satoru Gojo — the one modern sorcerer who can rival him.

Role in the Story

Sukuna is the towering threat at the heart of Jujutsu Kaisen, his power and cruelty escalating the stakes at every turn.