Unmasked

"Spent all year trying to find the Heir of Slytherin, yes. You didn't do a very good job, did you? I suppose that was to be expected, but I admit I overestimated you, Potter." When Harry continued to look at her, blank fury masking his features, she sighed dramatically. "I'm the Heir of Slytherin, of course." DARK HERMIONE. One-shot.