The hits come one after another, and Thanatos patiently waits and watches. He doesn't feel threatened. Any bruising the kid might inflict (might) will heal quick enough. If things get worse, he can leave.

When Ken finally stops and slumps to the ground to cry, Thanatos kneels to be more on his level. His voice is soft. He might be trying to be more of a person, but falling back to his role as the God of Gentle Death is easy to do.

"You can feel upset, angry. You can hate me, but wishing you were the one to kill him will only continue your pain. Your mother is dead. Her killer is dead by another's hand. Those won't change no matter how much you want them to. What can change is how you live now. Honor her instead and let her killer be forgotten."