Let's be honest, would any of those nobles leave just because the former emperor says so? Yes, he holds the most authority out there now but Athy just dispatched someone for the court Magician and it's a matter of proving who is saying the truth and who is lying, it's not a matter that can be dissolved with the wave of a hand or a few words... If I were one of them I would have found that dismissing really suspicious 🤔