The Vibe Plane.

The Vibe Plane is a universe created by the Vibe Monster. The Vibe Plane is an unknown universe that has not been founded. But it's existence is proven by a large disturbance in the force. After creating this the Vibe Monster was seen retreating to an unknown destination. Nearly everybody that followed the Vibe Monster was destroyed following it. The Survivors of the Vibe Monster told everything that happened. After that day the Vibe Monster has not been seen since. Leading to the large belief that it is currently sleeping. Reality is safe for now. The Vibe Plane has not been found. Although it's existence is proven. Even after the Survivors of the day the Vibe Monster left for the Vibe Plane told everyone where the Vibe Monster was heading. The Universe was still not found.