From publisher blurb:
Four Horsemen Present: Gruesome Aberrations!
In conjunction with d20PFSRD and Rogue Genius Games, the Four Horsemen have put together some frightening new options, perfect for adding some horror to your games or just throwing your players for a loop! Behold the Bound Horror, the Eternal, the Fleshwarper, and a mythic threat, the Old One. Gruesome templates you can use to turn any aberration into a unique threat your players will never forget!