Dungeons & Dragons: Vecna Eve of Ruin

WHO WILL SAVE EXISTENCE?
Save existence from annihilation in this epic, multiverse-spanning adventure.
The notorious lich Vecna is weaving a ritual to eliminate good, obliterate the gods, and subjugate all worlds. To stop Vecna before he remakes the universe, the heroes work with three of the multiverse’s most famous archmages, travel to far-flung locales, and rebuild the legendary Rod of Seven Parts.
Vecna: Eve of Ruin™ is a high-stakes DUNGEONS & DRAGONS® adventure in which the fate of the multiverse hangs in the balance. The heroes begin in the Forgotten Realms® and travel to Planescape®, Spelljammer®, Eberron®, Ravenloft®, Dragonlance®, and Greyhawk® as they race to save existence from obliteration.  
A DUNGEONS & DRAGONS adventure for characters of levels 10–20.
For use with the fifth edition Player’s Handbook®, Monster Manual®, and Dungeon Master’s Guide®