Lydia had just finished scribbling some notes about the spell in her muggle notebook when she heard a cry of pain. She turned in time to witness Derf trying to put out his...was that his toe? What in Merlin's beard had happened? Luckily, he was able to extinguish the flames himself.

At least he was able to wiggle his toes, and none of them had burned off. That would have been really gross.

"Oh my goodness, Derf, are you all right?" she asked. "I'll get the Professor for you."

Lydia hurried over to where the Professor was standing, careful not to knock over the tray of muffins on her way.

"We need some help over here, Professor," she announced. "Derf is hurt."