Witchrats

Witchrats are rodents of abnormal coloration and size who are attracted by and feed off of sources of magic. They are believed to have originated in the Wastes, but have since spread across the continent. Many magic users find them a nusance, given their penchant for gnawing on magical items and spell components, but in areas where the ecosystem has been corrupted by magic, they are invaluable for their ability to survive and purify their surroundings.