Hermione knew it was wrong, but the darkness that lurked just beneath the surface was enjoying the way Dumbledore’s face turned purple at Snape’s parting words. He turned back to her and gave a curt nod before stalking out of the room in a way that Hermione had never seen before. It was as though he had reverted back to his childhood as he trudged out in a temper. She just managed to hold in the laugh that was bubbling up into her throat, threatening to escape.