Filing into the classroom, Harry could feel a familiar furious dread clawing its way up from deep in his belly, until it was climbing up his neck and clenching just under his jaw around his throat; Professor Umbridge watched his approach from behind her desk, and though her eyes flicked away frequently to appraise the other arriving students, they always returned to him. He needed to calm down - Draco would kill him if he ended up in detention this quickly. 