Whorlspell

A whorlspell was a phenomenon of Avernus in the Nine Hells.

Effects
Per the archdevil Nergal, whorlspells were natural phenomena in Avernus that snatched objects from other planes and deposited them in that one. He mentioned magic, treasure, food, and water; other whorlspells were known to deposit sheep, fish, and sometimes even creatures capable of slaying fiends.

Appearances

 * Novels
 * Elminster in Hell