"Terribly sorry, Father," Draco said with a small grin on his face," It's nothing personal, I hope you understand - just business." The Killing Curse shot from his wand and Lucius Malfoy slumped to the floor - the shocked look on his face remaining as the light left his eyes. Hermione just laughed at the self-satisfied look on Draco's face as he looked at his dead father. She crossed the area and picked up the knife that Bellatrix had used on her. She rolled it over in her hands before pocketing it with a shrug.