The Idryll are a huge, humanoid behemoth species native to the world of Hydras. The Idryll are an ape-like monster with long, black hair, large, tufted ears, and a pig-like snout. It was carnivorous, and preyed on any living creature it could get its hands on. In general, Idryll's are solitary beasts. One noted Idryll lives in the limestone mounds that are found beyond the Desert of Salma.