A D&D Adventure for 11th-level characters. Designed to take characters from 11th to 14th level, this adventure pits the heroes against a variety of horrible monsters and fiendish foes as they seek to thwart the evil machinations of the denizens of the Trollhaunt Warrens. This adventure can be run as a stand-alone adventure or as Part One of a three-part series of adventures that spans 10 levels of gameplay.