I really like it but I think it needs some color. Even if it's just in the eyes or a small tiny section here and there to distinguish the render from the rest of the piece. I don't know if thats what you were going for or not but I would bring it out a little bit maybe with some red, or even some gray/black. Maybe add a light source (small) at the mouth area. Other than that very very good technique.

6.5/10