Technicals: you control the lighting well. We have some details in the rock and the bright isn't blown. I think the composition may need some tweaking (see below). Focus is on.
The feel: I want to crop this tighter. I like the natural frame the rock provides, but I do not like the large expanse of rock on the left. I think you would do better with about half of it. A closer crop will also provide more real estate for your model who is somewhat small in this shot.
The game: I think you had a good idea here. Meets the challenge well and is creative with a bit of "wow". Some work on the perspective and cropping might have gotten this one closer to 6.
I think the dark areas are a bit too dark for my taste, think this shot would have benefited from a little shadow/highlight treatement but it´s a pretty good shot, at least above average in this challenge.