Nice job on the shading! Especially on the face. If you are going for that half manled-levitating-in-mid-air look it would be great if you could concider a lighting effect. Say light comes from the top and causes shadow on the floor.
Also I cant figure out why but, for some reason I would think a guy with a wound like that must have bled or have left his not so better half lying somewhere.
I think adding a bit more detail to the background might just give it a bit more of a ominous feel to it.
Overall very nice print. =)