He died in a fire, and his soul attached itself to a puppet, turning him into a puppet with a soul. But this puppet was no ordinary puppet... "Damage Absorption"... As long as it absorbs enough damage, it can control other puppets and even become human. When its energy runs out, it turns back into an unremarkable-looking puppet.
Even beasts that can take human form have times when their true forms are revealed, which is why they are called demons. But his true form is a puppet, making him a...
Puppet spirit.
Theme: High-martial-arts wuxia, an overpowered passive golden finger
