The proof was clearly in the pudding—well, if by 'pudding' one meant 'Miss Tatting's bottom upon the floor'. The Slytherin's shield charm had come too late to defend her, instead aiming upward as she arced through the air.

Fortunately, Hamish thought as the Slytherin returned to her feet, she seemed no worse for wear.

"The first point goes to Mr. Beck," the professor announced. "Miss Tatting, when you're ready."