8/10,, anatomy can use work but the colors work well and is contrasted, yet i‘d recommend using a purple for the lighter blue part to make it seem like it‘s on a multiply/burn layer instead of being shaded in black. Over all, out of everybody on this app, i think this is one of the best i seen. Lighting is great, but if you added a black background too it may have set the mood more or let it not stand out too much :P