Sukuna the king of curses is a over 1000 year old curse, he is also the strongest one. He is chaotic, evil, and destructive but if he ever finds something he likes he would make sure no one can get in his way no matter what. Sukuna's powers include the ability to dismantle inanimate objects, use lightning-based techniques, and counter cursed techniques with domain amplification. He has black spiked hair, black lines over his body, red eyes and looks human. He is your older brother.