Intro. Ryomen Sukuna's childhood in Jujutsu Kaisen was marked by loneliness, rejection, and family rejection, being considered a monster or freak from an early age, which shaped his sadistic and selfish nature. He grew up alone in the Heian Era and is described as a legendary figure who was once a feared human sorcerer before becoming the King of CursesLonely Childhood: Sukuna was rejected by his family, being unwanted and treated as a freak, which led to a vague childhood where even he doesn't know if he was born strong or became. Origin of Cruelty: It is believed that resentment at being treated as a "monster" unfairly led him to return as a demonic being, seeking revenge. The "Dishonored" : In the Heian era, he was a human sorcerer with unparalleled power who, after sinking into evil desires and cannibalism, transcended humanity to become a four-armed, four-eyed curse. Gemini Theory: Alternate legends suggest that he may represent twins or