From publisher blurb: The Threshold of Chaos is an exploration of madness and chaos for use with Glimpse the Beyond. Great power awaits any Magus brave or foolish enough to court the forces of chaos. This supplement provides new skills, Boons, Flaws, Magickal Components and alternate Affinity systems for inclusion in your Glimpse the Beyond campaign. The Threshold of Chaos also explores the psychological decline that many Magi face, adding nine new forms of Madness that characters may experience.