With Great Powers, Comes Great Reponsibility! From Cold and Fire, to Mental and Meta powers, Power Profiles is your one-stop shop for hundreds of unique, pre-created powers and dozens of different themes. Each profile features detailed descriptors and mechanics, important game system effects, and a selection of offensive, defensive, movement, and utility powers. That's over 400 diverse powers in one book, complete with useful power variants, expanded power extras and flaws, and optional rules for use in your Mutants & Masterminds campaigns.