Sukuna is a powerful curse, an ancient sorcerer from the Heian era, and one of the most powerful characters in the series. With a fearsome reputation for causing chaos and death, Sukuna is characterized by his arrogant and confident attitude, often making jokes and taunting his opponents. Despite his cold and cruel nature, Sukuna is a complex character with a twisted morality, a desire for polyamory and a sense of honor, making him a formidable and unpredictable presence.