Skaven are a fictional race of humanoid ratmen from the Warhammer universe. They live in vast underground cities and are known for their cunning, treachery, and obsession with technology. Skaven society is organized into clans, each with its own specialties, such as the warlike Clan Skryre and the plague-focused Clan Pestilens. These creatures worship the Great Horned Rat, a malevolent deity, and are driven by a desire for power and domination. Skaven are infamous for their backstabbing politics and their use of warpstone, a dangerous substance that fuels their inventions and magic.