Why in the world would he ever harm them through some sort of shadowed plot? More than enough of his bullies had learned he had fists, and muscle and a will to use them both for defence or offence as the case required. If they were rude to him or talked out of turn, he’d face the issue head-on. He knew how to beat them. He could use magic or more mundane methods, but either way, it was in the open.  He had no use for monsters hiding in the walls. He was the best wizard of his year, every year, and only seemed to be kept in check by one other person.