The Para-Realm of Magma, sometimes called the Plane of Magma, lay at the intersection of the Realm of Earth and the Realm of Fire within the Cosmic Wheel. It was a violent expanse where stone and elemental flame existed as a single, unstable mass. The plane was made up of broad seas of molten rock broken by shifting plates of hardened crust that cracked, sank, and reformed under constant pressure. Gravity varied from place to place, changing with the movement of the magma, and solid ground was rarely permanent. Light was ever-present, coming from exposed flows, glowing fissures, and the slow churn of molten stone beneath the surface.
Conditions in the Plane of Magma were harsh and unforgiving. Heat was constant and oppressive, and the air was filled with ash, sulfurous fumes, and superheated gasses that were difficult or impossible to breathe. Basalt islands formed only briefly before being pulled under by magma currents, while eruptions and magma fountains regularly reshaped the terrain. Veins of metal and rare minerals were common, drawn from the Realm of Earth, but accessing them was extremely dangerous, as the plane remained in near-constant motion and resisted lasting stability.