And he was right. There she was. Or the shadow of the girl, that is. Who, by the way, walked pretty fast.

"Hey, you, Slytherin girl!" he exclaimed, catching up to her, "You forgot your quill in there," and it mustn't have been a very special quill either, but he hated to leave things behind, and that's why he'd decided to take it along with him.

And then...leave to the Kitchens, because the Dungeons without Lafay were creepy enough.

He was holding the quill up for her to take.