¡°When the Boggart bursts out of this wardrobe, Neville, and sees you, it will assume the form of Professor Snape,¡± said Lupin. ¡°And you will raise your wand ¡ª thus ¡ª and cry ¡°Riddikulus¡± ¡ª and concentrate hard on your grandmother's clothes. If all goes well, Professor Boggart Snape will be forced into that vulture-topped hat, and that green dress, with that big red handbag.¡±
¡°It's getting worse,¡± Harry muttered, biting off the Frog's head. ¡°I could hear her louder that time ¡ª and him ¡ª Voldemort ¡ª¡±
¡°Ask him!¡± said Ron, pointing a shaking finger at the back of Sir Cadogan's picture. ¡°Ask him if he saw ¡ª¡±
¡°Oh, shut up,¡± said Ron as he and Harry drew level with Neville.