Victory reigns at Mithral Hall but Drizzt knows that the dark elves of Menzoberranzan, including the powerful Archmage Gromph, aren't done with him yet. Consumed by their own power struggles, feeling backed into a corner, the drow may just be desperate enough to call on demonic forces from the deepest reaches of the Abyss, and unleash a disaster even the Underdark could never have prepared for.