Underdark Dand D Rules Supplement Rob Heinsoo & Andy Collins Descend into the depths of the world. No realm in the Dand D world stirs the imagination like the Underdark. This vast subterranean domain holds thousands of adventure possibilities & myriad threats, including drow, mind flayers, dragons, & worse Entire campaigns can unfold in its depths, & its rewards are boundless. Underdark contains everything a Dungeon Master needs to run adventures or campaigns set in the vast underworld of his or her Dand D campaign, including new monsters & hazards, ready-to-play encounters, monster lairs, & detailed information on various dark-dwelling "movers & shakers." Released January 2010 Hardcover
- 160 Pages