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https://lovecraft.fandom.com/wiki/Shub-Niggurath
https://lovecraft.fandom.com/wiki/Dark_Young_of_Shub-Niggurath
https://lovecraft.fandom.com/wiki/Outer_God
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The Dark Young of Shub-Niggurath are horrifying, pitch-black monstrosities, seemingly made of ropy tentacles. They stand as tall as a tree (perhaps between twelve and twenty feet tall) on stumpy, hoofed legs. A mass of tentacles protrudes from their trunks where a head would normally be, and puckered maws, dripping green goo, cover their flanks. The monsters roughly resemble trees in silhouette, the trunks being the short legs and the tops of the trees represented by the ropy, branching bodies. The whole mass of these things smells like an open grave. They usually dwell in woodlands wherever Shub-Niggurath's cult is active. The Dark Young are usually called upon to preside over cult ceremonies. One means for summoning them is found in the Book of Eibon and requires a blood offering. The ritual may only be performed in the deep of the woodlands at the darkest of the moon, and the victim must be sacrificed over a stone altar. Dark young act as proxies for Shub-Niggurath in the accepting of sacrifices and the worship of cultists, in the devouring of non-cultists, and in the spreading of their mother's faith across the world.
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