Tales of Tolgard
Demons are chaotic evil aligned outsiders. This race is not native to the Material Plane. Demons revel in slavering, insane, evil power. Demons are one of the two basic types of fiends. The ruling class of demons are known as Tanar’ri who are in turn ruled over by the Demon Princes. An ancient variety of demon that holds great power and secrets are known as obyrith.
Demons primarily speak Abyssal.