Deaths

Yuji Itadori (temporary)

Killed by Sukuna

Sukuna takes over and rips out Yuji's heart. Yuji dies but Sukuna revives him.

Later revived

Junpei Yoshino

Killed by Mahito

Manipulated by Mahito then transfigured into a curse. Yuji unable to save him.

Junpei's Mother

Killed by Mahito (indirectly)

Killed by a curse placed by Mahito as part of his manipulation of Junpei.

Riko Amanai

Killed by Toji Fushiguro

Star Plasma Vessel, assassinated by Toji Fushiguro moments before merger with Tengen.

Toji Fushiguro

Killed by Satoru Gojo

Sorcerer Killer, killed by Gojo after Gojo mastered Reverse Cursed Technique and unlocked Hollow Purple.

Suguru Geto

Killed by Satoru Gojo

Turned genocidal after killing the Star Religious Group's cultists, executed by Gojo on December 24th.

Kokichi Muta (Mechamaru)

Killed by Mahito

Betrayed his deal with Mahito, fought with Ultimate Mechamaru but was killed by Mahito's Idle Transfiguration.

Dagon

Killed by Toji Fushiguro (resurrected)

Special-grade cursed spirit. Killed by Toji Fushiguro (resurrected) who broke into his Domain.

Jogo

Killed by Sukuna

Special-grade cursed spirit of volcanoes/fire. Incinerated by Sukuna who acknowledged his strength.

Hanami

Killed by Sukuna

Special-grade cursed spirit. Killed off-screen by Sukuna's flames.

Nanami Kento

Killed by Mahito

Badly burned by Jogo's flames, then transfigured by Mahito in front of Yuji.

Nobara Kugisaki

Killed by Mahito

Hit by Mahito's Idle Transfiguration to the face. Status ambiguous but presumed dead.

Mahito

Killed by Pseudo-Geto / Kenjaku

Weakened by Yuji and Todo, then absorbed by Pseudo-Geto (Kenjaku) who took his technique.

Naoya Zenin

Killed by Choso / Maki

Defeated by Choso. Later returns as a cursed spirit and is killed again.

Mai Zenin

Killed by Self-sacrifice

Sacrificed herself to create a real weapon for Maki using her Construction technique. Died in Maki's arms.

Zenin Clan

Killed by Maki Zenin

Most of the clan massacred by Maki after she awakened her full Heavenly Restriction (like Toji).

Masamichi Yaga

Killed by Execution by jujutsu higher-ups

Jujutsu High principal, executed by higher-ups for creating self-aware cursed corpses (Panda).

Reggie Star

Killed by Megumi Fushiguro

Incarnated sorcerer, killed by Megumi Fushiguro in the Culling Game.