Someone didn't have a good day. Probably.

...

So... what made him think that all of them had the equipment to kill someone right there, but not the experience to use the killing curse? "We have wands?" Nora suggested with her hand in the air, but then lowered it. And still, her answer was not good enough, because everyone had a wand to defence himself or herself, right? "Or maybe some can use their fists. Like in a muggle duel."

That would be fun to see during a History of Magic lesson.