They're creatures wearing human skins. All that exists under their disguises is a ton of flesh and sinew. The walls shake with each step they take. They're abominations. Their physiology though is remarkably abstract, they have no real organs or anything. It shouldn't work, but it does. And their mouths... those gnashing scythes of teeth - they exist only to EAT. To consume. To gnaw. To bite. To DEVOUR. The absolute horror...