The Curse of Strahd meets Vecna

Under raging storm clouds, the vampire Count Strahd von Zarovich stands silhouetted against the ancient walls of his Castle, Ravenloft. Fog covers the castle spires over the tormented town of Barovia. Far below, yet not beyond his keen eyesight, you and friends. a party of adventurers have just entered his domain. Strahd’s face forms the barest hint of a smile as the thought of tormenting you takes his focus. He knew you were coming, and he knows why you’ve come—all according to his plan. A lightning flash rips through the darkness, but Strahd is gone. Only the inhuman howling of the wind fills the midnight air. The master of Castle Ravenloft is having guests for dinner. And you are invited. Assuming you liberate Barovia continue the adventure going up against Vecna, the Lich.