    For a long moment, silence was heavy in the air. And then everyone jumped to their feet, screaming and yelling and generally panicking. Harry did not scream or yell, but he did jump to his feet, feeling more than a little panicked. Down the table, the other Slytherins had grown quite pale, and the prefects – in particular Amelia Travers and Percy Weasley – were attempting to call for order to little avail.