Discover the ancient secrets of The Emerald Spire, a gigantic dungeon brimming with incredible danger and phenomenal mysteries! With 16 levels designed by a who's-who of gaming legends, including best-selling author Ed Greenwood, gaming icon Frank Mentzer, and Paizo's most prominent veterans, The Emerald Spire takes players on a deadly delve into the depths of this mysterious dungeon, its ancient levels each impaled by a mysterious green crystal. Starting at 1st level, novice adventures will rise from facing goblins and deadly traps to high-level battles with the clockwork soldiers of a lost empire and even a forgotten master of creation. Designed to be a complete dungeon-delving campaign, Pathfinder Module: The Emerald Spire Superdungeon features seven new monsters, a detailed description of the nearby settlement of Fort Inevitable, and the history of the Spire and the surrounding territory, which features prominently in the new Pathfinder; and online massively multiplayer online game. A hardcover, 16-level, Pathfinder mega-dungeon designed for characters level 1-13.