Extended universe sigil Uvhash (The Blood Mad God of The Void) Is a gigantic, vampiric red mass of eyes and tentacles and is the archenemy of Gi-Hoveg. It dwells in the realm of Rhylkos, which is similar to the planet Mars, and whoever summons Uvhash meets a terrible fate. It seems to have affinities with the Star Vampires and is rumored to have been one of the mad roman emperor Caligula's eldritch sponsors.

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