From publisher blurb: The Dark Brood slither forth from the fecund womb of Shub-Niggurath; undulating and hideous copious, it births strange and impossible children. Ever Their praises, and abundance to the Black Goat of the Woods. Iä! Shub-Niggurath! Iä! Shub-Niggurath! The Black Goat of the Woods with a Thousand Young! The Dark Brood offers a selection of content bringing the fecundity of Shub-Niggurath front and centre to your game and loosing her mindless progeny upon the world. The supplement includes: An overview of the Black Goat of a Thousand Young and the manifestations of its presence Six ready-to-play samples of the Dark Brood as examples of using From Unformed Realms to generate endless new monstrosities Two investigation seeds with suggestions on hooking your group in and what they'll uncover Four new Mythos spells associated with practitioners close to Shub-Niggurath A collection of ideas on adding the influence of the Dark Brood and Shub-Niggurath into your investigations, which you can use as hooks, flavour, or creative sparks for your next investigation