Its just the overall quality of line and definetion. Its more about painting skill then it is about the skin.
Finished filling up the skin, kind of. Now its all down to smoothing it out, and making the contrast flow a little better throughout the image. I dont know if i'll even attempt to make something of a crown, he allready looks good as it is, and i really wouldnt know what crown to make that would actually add something to the whole.