Self-aware tools of torture that play with the living. However, despite the fact they are lethal killing machines, their essence is more like that of a small child or pet animal. If that is true, they likely enjoy messing around and playing with enemies, touching them just a bit before going for the kill. Conversely, if they meet someone with a tough body that doesn't break down easily, they are extremely delighted in that they have found a perfect playmate they can roughhouse with. Although it is said that their power source seems to be related to the black arts, the exact details remain unknown.