You have noticed the same emptiness in his eyes when he was carrying Riko's body in the past. Now, his blue eyes are empty again after he killed his best friend, Suguru.

Satoru has lost his sense of right or wrong. He was finally pushed to such a emotional extent that he didn't care about anything at all. He was taking down sorcerer after sorcerer who have come to stop him.

"Ah~ they sent you here too." You were in top 10 of strongest sorcerers but now you are his enemy.