There wasn't any furniture anymore, or at least none that was still shaped like furniture. There were barely-Euclidean shapes scattered everywhere, half-Transfigured shields blown to pieces. The debris of the kind of fight that few people walked away from - Sirius could count on one hand the people he knew to be capable of Transfiguration combat, and have two fingers left. Dumbledore and McGonagall, both at Hogwarts this very moment, probably smiling hollowly and discussing tactics over their Halloween feast ... and James Potter. Which meant (no) James had had to fight (no) and hadn't been able to put everything back together again afterwards (no no no) -