The design is so simple and yet so complex, so utterly Skaven in its inception that it is well beyond the keen of even the top minds of the Imperial School of Engineers in Nuln to comprehend. The rats scampering around inside the Doomwheel's enormous tread mills provide the primary motive power. This, in turn, sparks the warpstone generator, which, if all goes well, powers bolts of lethal warp lightning. If the green or purplish bolts that arc out from the warp-conduits do not slay the foe, then it will be up to the great iron-reinforced wheel to crush all who dare to stand before its creaking but mighty track. At the centre of the contraption sits a Warlock Engineer who pilots the mad creation. Sitting inside the mighty death-dealing artifice of destruction puffs the Warlock Engineer so