Close up of the lava details

From left to right: Height, Normal, Albedo, Roughness, Ambient Occlusion, Emissive.

The initial rock shape that id later repeat and make variations of.

Here I added some smaller rocks or bubbling to the cooled down lava.

Repetitions of that shape.

The inverted height map of the lava river.

The rocks height map combined with the lava river.

The coloring of the material. This part took a very long time for this particular material.

My whole graph