"That person is either too polite, or their frightened off you Max" Fabian mused as he eyed the door intently wondering why the person wouldn't enter. The consecutive knocks do incur some importance or level of hurry.

Whatever it was, Fabian had no patience. He waved his wand and the door swung open to reveal both the grounds keeper and defense teacher. "Aren't we lucky tonight" he smiled, "we have enough to play poker".