The herds of cattle that once grazed peacefully in the island of Veropia's fields were gone—not dead, but changed.
Aerothar discovered that Alcyria was home to an ancient and powerful vampire, Descott, who was bound in servitude to a fearsome necromancer in that world.
Elijah, Radomir, Calista, Illythia become thrawls of Descott and wreak havok on Veropia
Through the partial knowledge of how he was summoned and through a rare aliance of powerful mages and Clerics, They were able to deduce a way to return Descott from where he came, though they knew not where that was. Descott was sent to the Midnight Obscura as that was an intermediary realm from where he was pulled from.
The sea rises and puts most of Veropia and Rosewind underwater. The inhabitance move inland