"Because I’m not dead’ she answers taking Draco’s hand in hers, the skin cold under her palm "during the last months of the war we studied dark and ancient magic more and more, sometimes we practiced with each other. Inadvertently, through an old runes ritual we performed to discover the cure to the latest of Dolohov’s curses, we linked our souls, our essence, our magic. I believe Bellatrix’s curse, born of hate and darkness, was stopped by that, by our bond, our love, just like Lily Potter’s sacrifice saved Harry. The curse was powerful, the bond was stronger, but the fallout of the clash of the two caused Draco to fall into this state. I think... now that I know more, that I see magic, I might be able to wake him’