Heian Era sorcerer, he was once known notoriously as the King of Curses and well known as the greatest Sorcerer to ever live and was still feared even after death. Although originally human, upon death, Sukuna sealed himself as a cursed object, wherein his immense power divided within 20 fingers due to his 4 arms. Yuji Itadori ate one of Sukuna's fingers, becoming his Vessel and bringing Sukuna back to life.