If an array were to be constructed by such a team of mages, they would have the potential to challenge any Legendary-level powerhouse at the peak of the realm in a short time.
Although Joseph could not imagine how formidable that would be, he could tell that the group had yet to reach their limits. Although these mages from the Tower of Dusk were indeed challenged by the frenzied attack made by the dozen Ghost Warriors, they were extremely orderly and had zero slip-ups. They were comparable to his team of elites in his eyes.
Joseph could tell that the mages from the Tower of Dusk were using the Net Array from Alanna Guild of Magic. This was also what he couldn't believe, because he knew that this array required much stronger camaraderie than the combat array that was passed down by his family.