"Wait, what?" Fritz hisses, but you're already moving. You step quickly forward, approaching the emerging prefects at some speed. Their eyes widen as you arrive, partly at seeing you and also at the velocity at which you're moving towards them.
"Come on, quick!" you snap, causing the pair of them to freeze, staring at you. Before either of them can grab hold of the initiative, you point towards the end of the corridor. "They went that way!" you go on. "Well? What are you standing around for? Get after them, now!"
"But—"
"No buts!" you cry, now shoving the pair of them forward. "There's no time for buts! You get after them!"
"But the headmaster!" one of the two prefects manages to protest, looking back over one shoulder. "He's getting stranger and stranger; we don't know what's going on!"
"You leave that to me, my lad," you say briskly. "You just chase after them and make sure they don't get away with it this time!"
With a final shove, you send the pair of them running off down the corridor. They should, you judge, get at least two corridors away before they realize they've no idea who they're chasing, or why, or who you are.
At which point, considering that you and your classmates are sprinting as fast as you can towards the headmaster's office, it will be entirely too late.
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