Warlock's Tome of the Great Old One

Forge Pacts with Beings Beyond Comprehension

The Warlock’s Tome of the Great Old One is an exploration of the unfathomable and the forbidden, a collection of ten unique patrons whose influence stretches beyond the boundaries of mortal understanding. These entities hail from the realms outside reality—alien gods, eldritch horrors, and enigmatic forces that defy comprehension. They do not seek devotion, only to further their inscrutable goals. This tome offers players and Dungeon Masters a chance to delve into the darker corners of the multiverse, weaving tales of obsession, madness, and power that twist the fabric of any campaign.

- from the publisher's blurb