He cast another glance at the diadem, which had started to hum mysteriously. Draco let his answer hang between them when he grabbed the fang and pushed her behind him. Then he turned his attention back to the ancient piece of jewellery-turned-soul-container. He hefted the fang in a solid hold and took one step closer. That's when the thing started whirring, spinning in frantic circles on the ground. As if it could sense it was about to be destroyed. Draco strengthened his hold on the fang and took another step.