Allen led his companions in a secret investigation, and after considerable effort, they finally identified the students who had fallen under the spell of Dark Magic. Faced with the evidence, these students were forced to admit their wrongdoing.
To prevent similar incidents from happening again, Allen decided to strengthen the academy's management and supervision mechanisms.
He first held in-depth discussions with the academy's various instructors to formulate a series of new rules and regulations. These included stricter level restrictions on the borrowing of magic books, especially those classics involving the peripheral knowledge of Dark Magic, which students were forbidden to borrow without the permission of a senior instructor. At the same time, Allen cast special surveillance magic in various mysterious corners of the academy; these magic arrays acted like sharp eyes, immediately sounding an alarm at the academy's guard station whenever an aura of Dark Magic surged.
Chapter 402