It sucks in the lava through its skin and can use this lava by spitting it. It also sucks in several minerals from melted ores. At the same time its body shape changes through assimilation and sometimes big, cooled down lava stones clings to its body. Those lava stones can be used for hard and sharp weapons. On its head it has plates of cooled lava that protects its head. Its mouth is small and it has no teeth but attacks with the head plates. The weakness is water, then ice.
It lives in the Volcano where it swims often in the lava lakes.