Yes, it makes sense that there should be a balance, one side cannot exist without the other.
Except, what happens when one of the sides sends a fraction of its own self into someone as part of a heinous plan to overturn the dominance of the priestess. And ends up accidentally crafting an entirely new identity, completely independent of the mountai itself, as a wandering demon slaying God, protector of children and the defenseless.
Task failed successfully?!
In other news, Arale's disappointment that his master was back by 8pm and not the next day after breakfast, is unmeasurable.