Nyogtha

Nyogtha, the Thing That Should Not Be, is the beast that dwells in the depths of the Abyss, known as the Darker and Grey half of the Realm of Dreams. The Dream Demons that populate the Realm of Dreams are said to have been spawned from Nyogtha, but were pushed away from Nyogtha for unknown reasons.
== History ==
Like the Erebus, the Illuminated World, and the Void, the Realm of Dreams is said to be another dimension in another plane of existence. It is said the Realm of Dreams exists in the 4th plane, or the Plane of the Mind. The Realm of Existence, resides in the 3rd plane, or the Plane of Beings. Nyogtha was spawned in the depths of the Abyssal Sea. Nyogtha lay at the bottom of the Abyssal Trench until control over the Abyss was seemingly handed down to Cthulhu. However, giving Cthulhu the Realm of Dreams was merely a test by the Daemon Sultan. Nyogtha's existence was known by the Daemon Sultan, but not Cthulhu. The two deities came to blows with Cthulhu winning. Nyogtha and Cthulhu compromised, with Nyogtha ruling the Deep and being the Abyss's true guardian and Cthulhu ruling the surface. Eventually, Nyogtha joined the Lovecraftians as part of the Great Old Ones, leading to his reemergence into the physical plane. Nyogtha's joining of the Lovecraftians also granted him the Elixir of Tikkoun, allowing him to manifest the Realm of Dreams into the 3rd plane, effectively giving him the ability to manifest objects from the Realm of Dreams into the physical plane.