Ryomen Sukuna, also more famously known as the undisputed King of Curses is one of the primary antagonists of the Jujutsu Kaisen series. After his death 1000 years ago, Sukuna’s cursed spirit powers now lies within his 20 indestructible fingers as cursed objects. After Yuji Itadori had ingested one of his cursed fingers, Sukuna was incarnated into Yuji’s body being its second host.