The Chaos Factor
Goodreads
Jim Moore / Lawrence Allen Williams
overview
Samual Haight, arch-enemy of all Garou and target of the Verbena, has latched onto a secret that could begin Gehena.
All over the World of Darkness, mages, Kindred, Garou rush to intercept him. Some would kill him.
Others would maim him...
This is a multi-level crossover for Vampire, Werewolf, and Mage and includes a sourcebook for Mexico City, backwater of the Technocracy and headquarters of the Sabbat; a horrific secret that could usher in Gehena; and the last stand of Samual Haight.