Wyverns of Wylemuir™ is an expansion that enables players to explore the remote land of Wylemuir and ride the Wyverns that live there.

For Catacombs™ Third Edition, this set features new items, spells, rooms and two new Catacomb Lords. Four new heroes from Wylemuir are included: the Warrior Maiden, Blind Guardian, Goblin Captain and Harbinger. For Catacombs & Castles™ there are two Warrior cards and the four new heroes are also compatible with this title.