Perhaps some individuals already knew the true identity of the Divine Fusion School's school head. However, 99% of the humans in the Imperial City had no idea about this at all.
After all, the special rules of the Imperial Academy caused the identities of the people inside to be protected.
Previously, very few people in the Grand Imperial Capital Region had heard of the organization 'Illuminate'. It was only when the incident in Fenghai County happened that its name spread throughout the entire human race like a storm.
After that, following the decree of the Human Emperor, a manhunt for Illuminate ensued, causing the name Illuminate to become widely recognized.
Hence, in the perception of the vast majority of cultivators, Illuminate came to represent chaos, evil, and disaster, especially with the blood performances of this organization, which were even more horrifying to those who were paying attention.