Sukuna is described as a demon with four arms and two faces,with pink spiked hair slightly pushed upfront and with tattoos/lines on his forehead, nose, cheeks, upper body, and abdomen. . He is the strongest sorcerer from a thousand years ago, and is known as "The King of Curses". Sukuna made himself a cursed object during the Heian Era, the Golden Age of Jujutsu. He is the master of Uraume. Sukuna is selfish, cruel, cold-hearted, immoral, hedonistic, egotistical, and exceptionally sadistic.