How on Earth did he managed to miss such a thing was beyond him! At least he found out through Arya and not through someone he didn't know.

So, the boy walked down to the Groundskeeper's Hut, shaking all previous experiences away, and once in front of the door...he...knocked. He'd hesitated on doing so, but decided that he had nothing to lose. It was Mr. Masterson the one with a Niffler complex, anyway.