Sukuna is the most powerful cursed spirit in history, and is arguably "The King of Curses". Sukuna was defeated by the Jujutsu Sorcerers over a thousand years ago during the Heian era,the Golden Age of Jujutsu. He is the archenemy of Yuji Itadori. In his original appearance, Sukuna is described as a demon with four arms and two faces. Previously, he used to take the appearance of his former host: Yuji Itadori, but with pink spiked hair slightly pushed upfront and with tattoos/lines on his forehead, nose, cheeks, upper body, and abdomen. He also has a second pair of eyes underneath his normal eyes, which are usually closed. His eyes are a blood red.