For everything that had just happened inside the establishment, the Sultan was the first one to be notified and then the rest of the merchants, and other people of interest.
After all, the presence of a 9th Realm evolver was great news for their City-State, and once the investigation of this presence had started, everything else came in view as well.
In fact, the Sultan and everyone else had already arrived at the premises when the Master Beauty had forced the assassin to send the message to the Assassin Tower.
But it was exactly due to that, that no one had entered inside. Even if Eric was a great opportunity he could use to improve and evolve his City State, he wasn't worthy enough to start a war with Assassin Tower.
The Tower was one of the most mysterious and terrible existences in the new Earth, as not only didn't they have a well-known center, but they also had their assassins everywhere.