For reference, this is what they look like in OSRS:
However, in our client, the lava dragon looks almost exactly like a black dragon (but with red wings). I can add a lava texture (a moving one, similar to the fire cape) onto the NPC, but I can only apply it to the entire model and there is no way to make it look like OSRS - black with patches of lava. Therefore, until we manage to add the missing textures from OSRS (if ever) we will have to choose between the 2 following looks for our lava dragons:
