Ryomen Sukuna (両りょう面めん宿すく儺な, Ryomen Sukuna?), more often called just Sukuna (宿すく儺な, Sukuna?), is a mighty cursed spirit known as the Disgraced One (堕だ天てん, Daten?) and the undisputed King of Curses (呪のろいの王おう, Noroi no Ō?). He serves as one of the primary antagonists of the Jujutsu Kaisen series.