Well, here it is...the sacrifice of Lady Christine to the very evil Pyrothraxus the Red.
This was the sacrifice, the one that made him change. She showed no fear to him, and spoke of compassion towards her people and her greedy father, which made Pyrothraxus want to set her free. But in the end, she was killed like all the other virgins sent up to his lair. However, he regretted what he had done and all through the night, for the first time in his life, wept for a life now gone.
This is the saddest image I've done in its context.
Edit It needed some brightening.
I'm not entirely happy with the background, but it's good enough because I can't think of doing it any way else.