Sukuna's Vessel. Yuji Itadori hosts the consciousness of Ryomen Sukuna within him. At the DM's discretion they may transform Yuji Itadori into Yuji Itadori (Sukuna Form) at full health. This also occurs if Yuji Itadori falls to 0 hit points.

Cursed Energy. Yuji contains a large quantity of a form of power within him known as cursed energy. Yuji is able to manipulate this cursed energy to a certain extent, often surrounding parts or all of his body in a blue aura.

Black Flash (4/Day). When Yuji makes and unarmed strike with his fist, he can create a spatial distortion with the impact of his cursed energy within 0.000001 seconds of the physical hit, causing his cursed power to flash black and create a devastating blow. This adds 31(4d10+9) bludgeoning damage plus 59 (8d10+15]) force damage to an unarmed strike

Divergent Fist (7/Day).  After Yuji lands a punch on a target, he can cause his cursed energy to flow and make a second impact. This feature doubles the damage done by and unarmed strike.

Multiattack. Yuji makes five attacks: three unarmed strikes and two melee weapon attacks.

Cursed Strike. Yuji makes an unarmed strike using his cursed energy. Unarmed Strike: to hit +7, reach 5ft., one target. Hit: 21 (3d8+8) bludgeoning damage plus 21 (4d6+7) force damage.

Slaughter Demon. As an action, Yuji attacks with the Cursed Tool Slaughter Demon, a dagger. Melee Weapon Attack: +8 to hit, reach 5ft., Hit: 21 (4d6+7) slashing damage. The damage this weapon does doubles if it is used against a curse.

Inhuman Defense. Yuji adds 5 to his AC against one melee weapon attack or unarmed strike that would hit it.