At first the plus two comment confuses him but then he remembers hearing about that during forging.

"I am afraid that I do not." the knight replied with a shake of his head. "But you do keep mentioning them and you say the headmaster has run from them?"

Again he's not sure whether this kid's just had one hell of a first day, is hallucinating or something is wrong. But the headmaster comment has him concerned all the same.