Kyuss (Greyhawk)
In the World of Greyhawk campaign setting for the Dungeons & Dragons fantasy role-playing game, Kyuss (pronounced kai-uhs) is a demigod concerned with the creation and mastery of the Undead. Known as the Bonemaster, the Wormgod, and the Herald of the Age of Worms, his symbol is a skull erupting with writhing green worms.
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