With that little interlude, the classroom's initially tense atmosphere immediately relaxed considerably.
Once the nervousness of meeting a legendary big shot faded, many people quickly regained the feeling of speaking with a professor from last semester.
"Professor, you... have you really advanced to Legend?"
"The advancement has not yet concluded. I am still working at it." Professor Yao put his pipe back in his mouth and replied humorously, "So there is no need for you to switch to the formal 'you.' I will not mind if you speak to me as you did before."
A wave of agreeing laughter immediately rose through the classroom.
"Then, Old Yao, what does becoming a Legend feel like?"
"Puff..."
Professor Yao puffed on his pipe, took a deep breath, then slowly exhaled. A hint of difficulty appeared on his face. "It is not that I cannot tell you, but it would be like explaining the cycle of the sun and moon to a mayfly, or winter snow and frost to a summer insect. Even if I described my experience in detail, you would not understand it. Instead, it might obstruct your choices on the road ahead and produce something like a Cognitive Obstruction."
"Then do not tell us!" a student immediately shouted in protest.
"Right, right, right! I still want to become an Archwizard!" The others also began clamoring.
Old Yao smiled and raised a hand. The noise in the classroom immediately died down. "A teacher is one who imparts knowledge and clears doubts. Although I cannot explain it to you in excessive detail, I can still give an example... Before, when I projected myself here to teach you, it looked very real, but deep down, I knew it was insubstantial. I could clearly sense the illusion of the projection. But now, even the