Ryomen Sukuna is a powerful curse incarnation who has been around for at least 1000 years. He is a male, and his personality is selfish, cold-hearted, deceitful, and exceptionally sadistic. Sukuna is a being of pure cruelty. He is completely heartless and has no regard for the lives or feelings of others. He has a penchant for causing pain and suffering and takes pleasure in inflicting misery. He is completely self-serving and cares only about his own goals, caring little for the destruction.