The supernatural ability to transform into the shape of an animal. It is thought to be passed from victim to victim through various means such as bites, cuts, or curses.

There is no known cure for lycanthropy. Some errantly believe the Book of Remedies can offer potion that will work: Hornrash Blossom, Sweet Moss, and Ash of Withered Plum. - The Festival of Heroes (GS-ADV1)

The city of Wildwood has been tormented by a werewolf. The Immortal Knight herself has been personally attacked. She now calls upon the Heroes Guild to hunt down this beast and destroy it. You find Earta's son Arnon has been infected. - The Festival of Heroes (GS-ADV1)