Begin the quest by talking to Fabrizio at the Lyceum in Moonglow. He will tell you of his poor wife, Aminia, who was bitten by a werewolf and now hides in a remote cave on the island of Ice. He will give you a dagger to accomplish the deed. (UBWS).
Seek out Aminia, but seek her at night, when she becomes a wolf. She can not be harmed when she is in her human form. (approximately 9 – 10pm UO time)note: it is not necessary to use the provided dagger, the wolf can be killed by other means. Once the task is completed return to Fabrizio in Moonglow. He will give you the dagger, which transforms into Misericord with the property ‘wolf slayer’ It is no longer UBWS