bang!’ - one that was significantly closer than all of the quiet pops Harry had heard earlier. She froze, and so did McGonagall. For a long while they simply looked at one another, the room silent as they both strained to hear beyond the office door. They didn’t have to wait long, as the sound of bangs and screaming fireworks from down the corridor began to filter through the door, followed by the sound of thundering footsteps and the excited shrieks of students.