[excerpt from Encyclopaedia Theologica: A Panoptic Primer on the Pantheon, Planes, and Patrons of Ylan, 5th ed., by the gnomish scholar Miriam Busslewickett]
One of the Old Gods. The god and avatar of entropy in Ylan, Uberlin is associated with all forms of chaos, darkness, decay. Uberlin is in direct opposition to Muriel. His emblems are a black crescent moon and a spiral.
See also The Multiverse