The Temptation of Elminster

The Temptation of Elminster is the third book in the open-ended Elminster series. "How do you tempt an archmage who has everything?

From a dark and dusty tomb, Elminster emerges, seeking the guidance of Mystra, and finds only silence. He is drawn into the clutches of the mysterious and sinister Lady of Shadows. The path he takes will lead to a Realm-shaking confrontation where Elminster has to make the most important choice of his long life.

Whatever he decides, the Realms will be forever changed...

The saga of the young Elminster continues! Myth Drannor has fallen, and glorious Cormanthyr lies in ruins. Elminster emerges from the rubble to serve new, human masters. Will the price of wizardly power be the young mage's very soul?"

Summary
Most of this novel occours in the Year of Laughter (DR unknown).