"Oh ok," Theo nodded. Vanishing spell. He could do that. Maybe he could vanish Nia later. He pictured the rubbish disappearing, like in movies. They were good at disappearing things. "My name is Theo," he said, "I don't call you 'Old Man'. I call you Sir, which is the polite thing. And I have requested you call me Theo." He hadn't said it angrily, just quietly requesting it. He didn't like Newtington.

He waved his wand over the pellet stuff and uttered the incantation, "Evanesco." He still pictured the thing disappearing. His eyes widened as the stuff slowly disappeared. He was good.