The Plane of Dreams is a plane unlike any other, a plane that every creature who sleeps finds themselves traveling to nightly. This strange realm is influenced by the joy and happiness of dreamers, but it isn’t without its nightmares.
All tagged manual of the planes
The Planes: Negative Quasi-Elemental Planes
Explore the Negative Quasi-Elemental Planes of Ash, Dust, Salt, and Vacuum, the joiners of the major Inner Planes and the Negative Energy Plane.
The Planes: Positive Quasi-Elemental Planes
Explore the Positive Quasi-Elemental Planes of Lightning, Mineral, Radiance, and Steam, the joiners of the major Inner Planes and the Positive Energy Plane.
The Planes: Carceri
This plane is made up of hundreds of planets that stretch across dim red sky. Those who wander onto this plane become prisoners, unable to leave the Tartarien Depths of Carceri.