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 ...
The Megadungeon Megabundle has enough Dungeons and Dragons and Dungeon Crawl Classics adventures to last a lifetime, and then ...