¡°Expelliarmus!¡± he yelled ¡ª except that his wasn't the only voice that shouted. There was a blast that made the door rattle on its hinges; Snape was lifted off his feet and slammed into the wall, then slid down it to the floor, a trickle of blood oozing from under his hair. He had been knocked out.
Talking excitedly, the class left the staffroom. Harry, however, wasn't feeling cheerful. Professor Lupin had deliberately stopped him from tackling the Boggart. Why? Was it because he'd seen Harry collapse on the train, and thought he wasn't up to much? Had he thought Harry would pass out again?
¡°Fellow seems quite unbalanced,¡± said Fudge, staring after him. ¡°I'd watch out for him if I were you, Dumbledore.¡±