Publisher's blurb: Fellozial Da'kiir is famed as one of the deadliest drow poisoners the Underdark has ever known. Within you'll find: Dozens of new poisons Detailed, easy-to-use rules for harvesting poisons from monsters and the environment and for crafting poisons 15 new character subclasses—one or more for each existing character class (plus several new poison-centric options and variants for existing subclasses) New races (and subraces), including the deadly medusaborn 22 new spells drawing on ancient Maztican hishna 70 new poisonous monsters, each with complete stat blocks, detailed descriptions, and lore (includes a revival and expansion of the classic demodands) 26 new magic items 16 named warlock patrons with noxious twists (representing all six official patron types along with two new patron types, and each with character customization options, detailed lore, and more) 3 new backgrounds and 7 new feats Complete monster lists by creature type, challenge rating, and environment Tables presenting poison as treasure