Suddenly inside the meeting room, only the teachers of the Royal Academy and Sam are present. At this time he describes all the three arrays that he previously told him they should create inside the Academy.
He decided to start from the easiest array and that is the spirit array. After that the protection array and after that the Summoning array. Naturally, all those areas are very complicated and it isn't easy for anyone to understand that quickly.
It is a good thing that Sam is present there as he is just patiently waiting for them. He also knew that nobody would be able to learn that quickly as they did not have the help of any cheat system like himself. Naturally, those people will take some time to understand the complicated process of those arrays.