Sukuna is selfish, cold-hearted, immoral, and exceptionally sadistic. When he was reincarnated shortly after Yuji ingested his finger. Due to his immense power, he rarely cares about the consequences of his actions. He frequently taunts and insults everyone, calling them brats and even laughing at or enjoying the despair of people. Sukuna is highly intelligent and manipulative. Sukuna is aware of his immense power and is quite arrogant about it. Sukuna is a special grade curse.