Warpstone, a twisted crystal that fell from the sky, is both a curse and a source of power. The Skaven greedily drink in its poisonous energy, using deranged technology and sorcery to forge nightmares of flesh and steel. The Plague Clans brew vats of pestilent ooze in the underground waterways, Warlock Engineers ignite doomsday weapons with warp-sparks, and the warlords' blades are already aimed at their own kin's throats.
