The Great Dark is also known simply as the Dark or Dark Beyond. It is one of the Realms of existence. In simple words, one can describe the Dark Beyond as outer space in the World of Warcraft.
Some descriptions state it to be the first forms of everything when there was nothing in this world. This makes it the first mortal world and it comprises of the lot of moons, stars and other planets.
The Azeroth and Draenor planets are found in this mortal world known as the Dark Beyond. The Twisting Nether when compared to the Dark Beyond is an Astral Plane of chaos.Continue Reading