Crown Demon

Crown Demon is a type of Dead Tree Demon.

Appearance
A demon with fiendish physiology. It had no head, and its body was like a withered tree. Two meters tall and had no wings or a tail. It had clawed hands, and its slender body possessed an unimaginable strength.

Abilities
The Crown Demon belongs to a class of demons of that type who can equip themselves with the heads of magic casters and use the powers of the heads’ owners. These demons could use three heads at once.

Trivia

 * Incidentally, Crown Demons can cast 10th tier spells at most.