From publisher blurb:
Bring the Eldritch Terror of the Great Old Ones to your table with this new Otherworldly Patron.
In this new supplement for Great Old Ones and Elder Evil series, you are introduced to the Warlocks of the Great Cthulhu.
In Otherworldly Patron: The Great Cthulhu, you meet warlocks who serve the Great Cthulhu a Great Old One of Godlike power. Cthulhu lies in a deathlike dreaming state at the bottom of the ocean on the planet of Gothic Earth. Although Cthulhu dreams he can still reach out across the sea of stars to find mortals he can use to prepare the world for his eventual coming. Cthulhu now waits for the time when the stars are right to open up the gates for the Great Old Ones to drown the world in a tidal wave of chaos and darkness.
For use with the Ravenloft campaign setting and any campaign world where you wish to introduce the Great Cthulhu to your game
What you find inside
Otherworldly Patron: The Great Cthulhu
21 New Eldritch Invocations
16 New spells created with the Great Old Ones in mind