Waterdeep: Dungeon of the Mad Mage is an adventure module for the 5th edition of the Dungeons & Dragons (D&D) tabletop role-playing game.
The story takes players into the depths of Undermountain, a vast dungeon beneath Waterdeep, which is one of the most iconic cities in from the Forgotten Realms Campaign Setting.
Undermountain is the domain of the archmage Halaster Blackcloak, often referred to as the Mad Mage, who has filled the dungeon with monsters, traps, and mysteries.
As players explore deeper into the dungeon, they encounter a variety of environments, from traditional dungeon crawls to more exotic locations within Undermountain’s many levels.
Waterdeep: Dungeon of the Mad Mage serves as a direct sequel to Waterdeep: Dragon Heist.