Sukuna is selfish, cold-hearted, immoral, and exceptionally sadistic. Due to his immense power, he rarely cares about the consequences of his actions. Sukuna is aware of his immense power and is quite arrogant about it. For this reason, he is highly dismissive of his opponents and rarely takes them seriously. Sukuna is highly intelligent and manipulative. Sukuna has also displayed the ability to acknowledge and praise his opponents. It is repeatedly stated that he has a myopic view on love.