dead hearts on the battlefield

"Is that all you want in life in return for your soul? Retribution?" There's no hesitation in her answer and he wonders when he'd missed that bloodthirsty glint in her eyes. "That, and so much more." —He teaches her how to aim a gun. She has no problem teaching herself to pull the trigger. Max is a mage with an agenda and Fang's the punishment for all her past sins. AU