A skeleton is a corpse animated by a possessing demon. Upon finding itself trapped within a body that cannot sustain it, the demon is driven insane. It seeks to destroy any life that it encounters, attacking without thought to its own welfare.
The exact names given to skeletons of this type vary according to the nature of the demons that possesses it. A “fanged skeleton” is a skeleton possessed by a hunger demon. These skeletons devour whatever life they encounter and possess the ability to drain life energy from their victims. A “shambling skeleton” is a slower-moving skeleton possessed by a sloth demon, able to bring entropic powers against its opponents, slowing them and even putting them to sleep.