An Apocalyptic Adventure for Levels 1-15

The first signs are always small: bandits on the roads, pirates on the Dessarin River, monster sightings throughout the Sumber Hills - all too close to the lands of civilized folk. Are these events all some bizarre coincidence, or is there a deeper reason behind them?

Working through its prophets, the Elder Elemental Eye has emerged to spread chaos across the Forgotten Realms. How will the adventurers prevent absolute devastation?