Lily burst into song again, and Hermione felt the very note quaver deep in her bones, empowering her. A minute later and the door to the Ritual Room was opened with a little kick. Harry strode in ... and he wasn't alone. He was dragging a body roughly behind him, helped by Narcissa, who was striding purposefully at his side. Harry tossed his cargo hard and unceremoniously against the altar at the centre of the room, and Hermione flicked her wand to bind it to the cold stone with thick ropes.