I understand what you mean I'm not to sure spec maps can be used in game, so I do not use it and its not shaded with black, its a very (very) dark red I can remove all the scales and start over but I can't start over without knowing what to improve on? Is it the position of the scales? the texture? If you say details what…
You've got a diffuse and a normal map posted - is there a spec as well? There is very little reason to use a normal map without a specular map - if you don't have a spec map, you'll get better material definition by painting the spec into the diffuse, and at that point you're painting in lighting, so your normal map is…