The next great campaign from the team that brought you the Words of Radiance Leatherbound, Isles of the Emberdark, and the record-breaking Year of Sanderson!

The World's Largest Dungeon is a 1,600+ page, four-book behemoth megadungeon. Experience the Guinness World Record-winning dungeon crawl like never before - fully updated to 5E of the Worlds Most Popular Roleplaying Game!