A superhero role-playing game core book (aka Silver Age Sentinels RPG Second Edition). Absolute Power Book One: System contains everything you need in 336 full-colour pages to create characters across the entire spectrum of superhero power levels, from novice teen wonders to street-level vigilantes to world-renowned metahuman leaders to cosmic godlike entities. The intuitive and easy-to-learn full Tri-Stat System game engine follows character creation. These rules include everything you need to start playing through superheroic adventures right away, and a bonus chapter details a selection of optional and expanded rules. Book One also includes dozens of pre-built items and gear to equip your characters, a diverse selection of companions, sidekicks, and minions to accompany them, and a comprehensive chapter that explores facets of playing a superheroic character.