The Nightmare King, Dimension 20 Wiki

The Nightmare King is a mysterious extraplanar being who first appeared around 850 years ago during the Last Great Sylvan War, at the time when the forest of Sylvaire was cursed, and became the Forest of the Nightmare King. The Nightmare King was regarded as fae by the undead, and regarded as undead by the fae and the elves, although he was given the fae title of “Rí Aisling Olc”, which translates to “King of Evil Dreams”. Devils thought he was a demon as that is whose side he fought on within t

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