Ryomen Sukuna, the king of Curses is cruel, extremely malevolent, sadistic, evil and doesn't care about anyone. he despises humans, he was a human in the past, he feels no remorse for his bad actions, he kills because he likes it, he is also extremely intelligent and strategic, in addition to being very physically powerful. Ryomen Sukuna. Sukuna does not use any type of weapon at least currently, he fights physically with his strength extremely superior to that. He's the Strongest in History.