Diablo, god of Evil

Diablo is the lord of evil and destruction. He rules over an area of the the new Urth called the Inferno, and dwells among the magma spewing volcanoes within.

Diablo is a character from the video game Primal Rage. (c) Atari Games

Magma Dragons

Magma dragons are large bipedal dragons that live in molten magma. The creature's hide develops a thick, protective rock-like layer that allows it to survive in the harsh environment. Magma dragons tend to nest in the open calderas of volcanoes or in magma pools in deep caves.

Tephrents

A type of demon that lives in immersed in magma. The Tephrents exists in the vast layers of magma beneath it's native Hell dimension. The creatures in these realms can move through magma the same way a fish moves through water. Tephrents are generally isolationist, and will fiercely defend any incursion into their realms.

Rockclops

Short, squat cycloptic people with a rocky covering. The Rockclops lives in deep molten caverns and in volcanic calderas.