Clay Pit is a Empire resource building in Total War: Warhammer. Unsurprisingly, clay pits hold vast amounts of clay, a malleable material that hardens when baked.
Background
Pots, pans, cups, utensils and many other things are usually made from wood or clay, the raw material of which is garnered from ground. The clay-laden earth around northern Stirland and along the Sylvanian border provides the Empire with much of its supply, but this very much depends on whether the Undead are active there.