Deep inside every man lurks a ferocious beast, a terrible creature that can develop a life of its own. Powered by the Ubiquity system, this Guide to Shapeshifters for Leagues of Gothic Horror includes the history of these ferocious beasts, means by which a man might become a shapeshifter, supernatural powers that transform these creatures into truly terrifying foes, statistics for a variety of stock shapeshifters, and a number of unique villains.