The 4th Edition Manual of the Planes reinvented the cosmology into a streamlined arrangement called, the World Axis cosmology. It consists of five core types of planes. 1. The Mortal World. 2. The Parallel Planes - Two planes that are linked to the Mortal World. The Feywild (Feenwildnis) and the Shadowfell (Schattensaum). 3. Fundamental Planes - Two planes that surround the Mortal World. The The Astral Sea - The plane above. Consists of Astral Dominions. And the the Elemental Chaos - The plane below. Consists of Elemental Realms. 4. Demiplanes - Unique bubbles of existence such as Sigil.
The 4th Edition Manual of the Planes reinvented the cosmology into a streamlined arrangement called, the World Axis cosmology. It consists of five core types of planes. 1. The Mortal World. 2. The Parallel Planes - Two planes that are linked to the Mortal World. The Feywild (Feenwildnis) and the Shadowfell (Schattensaum). 3. Fundamental Planes - Two planes that surround the Mortal World. The The Astral Sea - The plane above. Consists of Astral Dominions. And the the Elemental Chaos - The plane below. Consists of Elemental Realms. 4. Demiplanes - Unique bubbles of existence such as Sigil. 5. Anomalous Planes - Planes of an obscure nature. The Far Realm - Uncharted plane that exists beyond the known cosmology and the the Plane of Dreams - Composed of all the dreams that have ever been dreamt.