Planes

Depiction of the Inner Planes from the Manual of the Planes:

The Traditional Inner Planes

The Core Elemental Planes (Inner Planes):

These four planes are the foundational realms of pure elemental essence.

Elemental Plane of Air: An endless sky with floating islands.

Elemental Plane of Earth: A realm of infinite caves and tunnels.

Elemental Plane of Fire: A blazing expanse with lava rivers.

Elemental Plane of Water: A vast, deep ocean.

The Para-elemental Planes - where two elemental planes meet:

Ice: Air + Water

Magma: Fire + Earth

Ooze: Earth + Water

Smoke: Air + Fire

The Energy Planes

These planes are sources of creation and decay, bordering the elemental planes:

Positive Energy Plane: The source of life and creation.

Negative Energy Plane: The source of entropy and decay.

The Quasi-Elemental Planes - where an elemental plane touches an energy plane:

Positive Energy Side:

Lightning: Air + Positive Energy

Mineral: Earth + Positive Energy

Radiance: Fire + Positive Energy

Steam: Water + Positive Energy

Negative Energy Side:

Ash: Fire + Negative Energy

Dust: Earth + Negative Energy

Salt: Water + Negative Energy

Vacuum: Air + Negative Energy