Wow. Where to start? I think I'll start on the technique, which is the part that could use the most work. Don't get me wrong, it's a lot better than what I can do. Anywho, I digress.
The burns don't really look very real, relative to the style of the rest of the work. The colors outside of the burns are mostly solid (other than the shadow), whereas the burns have different levels of color. Instead of doing that, maybe just put splotches of red over her body. Also, the shadows make it hard to notice some details. For example, the "clothes". I never even noticed them, and was wondering what you were talking about when you mentioned them, until I started critiquing this. Also, the tears seem to be able to defy gravity! Instead of streaming down toward the ground (literal down), they stream down toward the feet (relative down).
Also, because rain goes downward, the burns would be on the upper surfaces, such as the tops of the breasts, the nose and forehead, the front of the thighs and the kness, the tops of the hands, and the tops of the feet. Also, with her having been wearing clothes, the clothes would conduct the water to other parts of the body, effectively covering the body with burns, except places where skin touches skin, such as the armpits, between the breasts, and the upper crotch.
Also, the viewpoint makes it confusing. Rather than having the viewpoint come from inside the cave, where it's hard to see that it is a cave, put the viewpoint outside of the cave, looking inward. That way, there is no questioning that she's in a cave.
Okay. Enough constructive criticism. Besides the technique fixes I suggested, this is a very good piece! The idea of this piece is very cool! It looks at the viewpoint of the Ender-people. This is a novel idea, especially for a person like me, who avoids the Enders like the plague. Anyways, very good job!