A hand-picked team of the most capable drow adventures begin a perilous journey through the treacherous Underdark, all the while surrounded by the chaos of war. Ther path will take them through the very heart of darkness, and the Underdark will be shaken to its core. If the powerful dark elves falter, the world below is open for .
Aliisza betrayed her lover, her mentor, and her son in order to try to stop the dark plot to kill the goddess Mystra. She failed. Now the goddess is dead, magic is malfunctioning, and Aliisza and her companions are trapped. Her only hope of escape lies is in convincing the angels and demons she just betrayed to trust her and work together — before they kill each other.
The Crystal Mountain is the climax to an epic tale of Realms-shaking events.