A fraction of a second before the curse could hit her, someone barrelled into her side and threw her off her feet. She made a noise of startled surprise, exhaling harshly when her back collided with the hard ground. But it was nothing compared to the white-hot pain radiating from the back of her head where it had smacked harshly against the stone. A startled cry of pain escaped her throat and she tried to blink through the onslaught of black spots that were clouding her vision.