Just as Allie and her two companions stepped into Hogwarts Castle, before they even caught sight of anyone, Filch's sharp and somewhat smug voice rang in their ears.
"Heh-heh-heh—you rule-breaking little brats, I've caught you red-handed this time!"
Filch slowly emerged from the darkness, carrying a dim lantern. Mrs. Norris trotted closely behind his heels, letting out a hoarse hissing sound at Allie and the others, as if cheering on her master.
Chapter 175