Had Alecto been paying any attention to the students outside of the Great Hall, she would have seen Hermione Granger shove open the titanic oaken doors, still shrouded in early-morning mist, with an expression that was something close to triumph. She would have seen that expression freeze, glassy and sharp, and then break into shock and rage, seen Hermione’s brow knot and her mouth draw tight into a small, quivering bow. 