A clay golem is created through the following procedure: a lawful good cleric of at least 17th level (or a lower level cleric of same alignment using a magical tome written for such a process) creates a man-shaped figure out of clay and then undertakes an uninterrupted ritual involving material components worth no less than 20,000 gp, vestments and ritual items worth another 30,000 gp and the spells resurrection, animate object, commune, prayer and bless.

A clay golem is under the direct command of its creator. It stands a 1% cumulative chance of possession by a spirit of chaotic evil alignment for each round the golem is in combat. The creator can never regain control if the golem is possessed. Once possessed, the golem will kill any nearby living thing starting with the closest creature and will haste itself if it has not already done so.