Inner Planes

Place

Elemental Planes

• Air
• Earth
• Fire
• Water

Energy Planes

• Negative Energy Plane: the force of entropy and death (or necrotic energy)
• Positive Energy Plane: the force of vitality and life (or radiance)

Para-Elemental Planes

• Ice, or the Frostfell: between Water and Air
• Magma, or the Fountains of Creation: between Fire and Earth
• Ooze, or the Swamp of Oblivion: between Earth and Water
• Smoke, or the Great Conflagration: between Air and Fire

Positive Quasi-Elemental Planes

• Lightning, between Air and Positive Energy;
• Minerals, between Earth and Positive Energy;
• Radiance, between Fire and Positive Energy;
• Steam, between Water and Positive Energy;

Negative Quasi-Elemental Planes

• Ash: between Fire and Negative Energy
• Dust: between Earth and Negative Energy
• Salt: between Water and Negative Energy
• Vacuum: between Air and Negative Energy