C250 Devouring Spirit Art

"Eh, what is this?"

After returning the money, he took out a book from his ring, the "Spirit Devouring Technique".

Devouring Spirit Art: Devours all living things in the world, devours the spirits of all living things, and constructs one's own divine body.

This was a very short introduction, and there was nothing else.

"Since you said it's so domineering