Her husband had hurt the young girl almost beyond the point of recognition. Her mouse brown hair was caked with blood, and the rest of her was smeared with it. Why she was still with this monster was only a matter of safety for herself, and Draco. She knew if she left, Lucius would take it out on their son.
Narcissa couldn't take it anymore she had to help the poor girl somehow. So there she found herself casting spell to heal the girls many wounds and to take whatever pain she could away.
"Why are you helping me?" Hermione managed to whisper.
"Shh.. Don't ask questions it will only weaken you more. But I will answer your question. You would of done it for me."