Delve deep into the Underdark with D&D Icons of the Realms: Underdark Expeditions - 8 ct. Booster Brick. The Underdark is the deep subterranean realm home to countless creatures like Darkmantles, Hook Horrors, Umber Hulks, and Gelatinous Cubes. Collect all 44 pre-painted miniatures in this set of randomly sorted monsters from the Underdark. This set includes a great selection for building a robust collection of Dungeon & Dragon's most popular creatures or preparing for an Underdark focused campaign. Introducing DungeonGlo Several miniatures in the D&D Icons of the Realms: Underdark Expeditions set feature WizKids' DungeonGlo effect, which adds a glow-in-the-dark dynamic to select parts of the figures. Available in a variety of colors, the DungeonGlo effect charges under light, creating an immersive glow that enhances your tabletop experience when the lights go down.