In general, if you want to become a Lich in Dungeons & Dragons, it's pretty well understood that you're going to need to sacrifice something. Preferably, you'll be sacrificing something important ...

Vecna: Eve of Ruin marks the end of a decade of 5e D&D, with a plot focused on the villainous lich's quest to reshape the multiverse. The adventure involves assembling the Rod of Seven Parts to ...