"We watched Cthrion Uroniziir try to reduce the timescape into one singular universe, wiping out reality as we know it. She was defeated, and we see her cage every day."

The successor to AEG's award-winning RPG book "Toolbox" and platinum best seller "Ultimate Toolbox" - the World's Largest take on the Ultimate Toolbox is Over 400 pages of the best charts, tables, and seeds of gaming adventure.

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!