Forty windows, four lit. That is what Corvina says when anyone asks what Gravenhollow is now.

Mione counts them that night with a lantern: four bright, thirty-five black, and one that is neither.

The window in the east wall is unlit and there is a warm light behind it, and there is a room behind it, and the east wing ends there.

MalfoidDo not go up. I have lived in this building for seven years and I have been told not to go up since I was eleven.