Harry drew his wand and pointed it at the ceiling. "I speak now as Lord Malfoy. All open interior doors will shut but not lock now, but a room’s occupant may lock the door later. I unseal Malfoy Manor—walls, windows and exterior doors no longer are indestructible; the exterior doors may be unlocked; and flooing, Apparation and Portkeys work like they did at midnight. The external wards are no more deadly than they were at midnight. So mote it be."