He was being awfully formal, so Wolfe matched that energy. "The optimal group size is five or larger so that they can provide mutual support in most situations. Varied skill sets are best, as if you were on a wilderness mission, and cooperation between members is necessary, so I recommend not sending a group of complete strangers at first."
Petros nodded, then sent a magical transmission that got the Nobles in the room excited. A few of them got the message, and bowed politely before leaving the tower. They were most likely going to get supplies for the trip, and to meet up with whoever else Petros had summoned to get them up to speed on what was happening.
So, the first group to arrive were the Servants and maids, who had no idea what was going on, and no weapons or combat training. Fortunately, Petros was prepared for this eventuality, and he had gear in a storage box that he pulled through a small portal.