Undead are once-living creatures animated by spiritual or supernatural forces, chiefly negative energy or evil magic that corrupted a recently departed soul. Undead can be of a simple mindless type, such as skeletons or zombies, or quasi-deities such as the most powerful liches. Colloquially, undead may be referred to as the walking dead.
Yimhia being the most prominent exception). The state of undeath is considered a severe moral crime as it violates both a person's body and soul. A network of smugglers attempts to circumvent these prohibitions, however, as the mindless undead make for tireless and inexpensive unskilled laborers; a humanoid skeleton can cost as little as 45 gold pieces. Such black-market undead are typically created by profiteering arcane necromancers rather than those that already serve cults or worshipers of evil deities, or hard-to-control spontaneously created undead.