"You can't change the nature of your soul," Valdis pointed out, "It may evolve and change as you experience life, but at its base, it remains the same. Demons have a very unique signature to their soul, no amount of demonic magic can change that."

It was what made Hellhounds such efficient hunters.

"I wouldn't exactly call relative safety boring," Valdis replied, "but lack of diverse species doesn't mean lack of diverse souls and it's not like I actively need to observe souls anymore."