Upload & Sell: Off
Two thoughts, and it's just my opinion so take it as a grain of salt. This is your vision.
One, if the hands are of those of the undead, I just wonder if the color should be desaturated some, possibly more gray or white?
Two, I just think in a conceptual shot like this, the actor/model should not be looking at the camera. When the actor/model is not looking at the camera, it gives the viewer a different perspective of the image. Looking at the camera, I immediately think of this being a portrait, and for me that just doesn't work. For example, my first question would be: Why are those hands in the window of the room where this portrait is being taken. Again, just my thoughts.