The magical pen and parchment floating beside the professor might be essential to this magical formation.
Simultaneously, it provided magical shields for thousands of students, not only to have a strong magical power but also to distinguish between friend and foe. Even S-class mages couldn't do it without powerful treasures.
If the spell was not used correctly, it would fail in an instant, leaving them defenseless. Of course, they could still ask for help from people who know how to manage array.
Zavier sensed the clone's location and realized he couldn't get too far away from it. Those who dared to strike at Caesar University might not get off so easily. He'd need someone else right away.
Zavier paused for a moment as he scanned the crowd.
If his clone was attacked, the clone might not be able to defend itself. A very powerful enemy would be too strong for a single system with limited abilities to handle.