Cosmology

Cosmology / Powers and Deities / Dramatis Personae /
Rules and Mechanics / Character Creation / Equipment

Consider the Planes as a stack of bricks. At the base, the so-called building blocks, the Inner Planes. They’re found in a ring of elemental provinces, and where these overlap, Para-Elements are born. At the center of the Inner Ring lie the Energy Planes, Positive and Negative, and where these overlap with the elements the Quasi-Elements lie.

Permeating the Inner Planes are the shores of the Border Ethereal, which evaporate into the Deep Ethereal, where the elements first mingled to form the Prime Material. There’s another Border Ethereal between the deep and the Prime, too, perhaps to protect each from the other.

The Prime sits at the center of the stack, and the very center of the Prime is said to be the source of all life. The Prime Material’s made up of worlds, hanging in a void they call Wildspace. Each chunk of wildspace has up to a few dozen worlds, usually with a Sun to provide light and warmth. At the edge of the wildspace is an immense Crystal Sphere, which encases the Solar System. There’s usually stars painted on the inside, too, but nobody really knows why. Outside the Crystal Spheres is an uncharted place called the Phlogiston. It’s a rainbow-hued place of flammable gas, divided into streams and oceans, and the whole place is cut off from all other planes.

The Astral Plane is a grey-silver void of nothing at all, and some say it hasn’t even got volume. It touches all the Prime worlds (and presumably all of Wildspace too), but not the Phlogiston. The Astral’s home to conduits; wriggling wormholes connecting the Prime to the Planes, and vice versa. Some reckon that the conduits all pass through the central hole of Sigil, the City of Doors, and that’s why the place is riddled with portals: They’re simply weak points in conduits.

The Astral’s other edge (as much as a nil-space can have edges) touches the top layer of the Great Ring of the Outer Planes. The rest of the Outer Planes lead down, as far as infinity.

The Known Planes

OUTER PLANES

PRIME MATERIAL PLANE

TRANSITIVE PLANES

INNER PLANES

PLANAR PATHWAYS

Cosmology

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