Meet Summit City’s PREMIERE metahuman superteam: WatchGuard! This sourcebook is the first collection of major characters from the WatchGuard Universe, so you can begin creating adventures, plotting heists, developing your ultimate weapon, or protecting the lives of the innocent & saving the cosmos alongside these fantastic heroes!! Read through 40-plus character bios! - Discover the early history of Summit City! - Plot your routes in this amazing metropolis with our city map! - Meet heroes of old! - Engage in villainy alongside over a DOZEN bad guys! - Win favor with amazing deities! ...and MORE! To help you get started right away, this volume includes several adventure scenarios to use as-is, to develop a better approach to adventuring in Summit City, or to incite fantastic new ideas all your own! The sky’s the limit, and even that can be exceeded with comic book physics, so don’t hold back!! This sourcebook is a third-party licensed supplement to the Green Ronin product Mutants & Masterminds, Hero's Handbook third edition.