Amazon.com description: Product Description: Ultimate Power is the complete guide to super-powers for the award-winning Mutants & Masterminds Super-hero RPG, written by M&M designer Steve Kenson. Its pages are packed with detailed power descriptions, expanding the material from the M&M rulebook alongside new powers, power modifiers, power feats and applications. Also included are optional rules for more detailed applications of powers and creating your own powers. Ultimate Power makes creating any sort of super-powered hero or villain a breeze: all the work is done for you! Just choose the powers you want your characters to have.