After Yu Xiaogang finished writing on the blackboard, everyone began sneaking glances at Lin Yi, who sat in the third row.
Sure enough.
That Heart Voice rang out again.
[This is the most basic of basics. Even three-year-olds know it. Did he really need to make such a big deal out of it?]
[But then again, didn't you copy this classification method from Spirit Hall's research reports?]
Yu Xiaogang turned around, intending to continue with the next part of the lesson, but after sweeping his gaze across the classroom, he could not help frowning.
He felt that the atmosphere in the classroom was especially strange today.
The teachers seated in the back wore expressions that looked as though they wanted to laugh but were holding it in, while the students' eyes shone as they occasionally stole glances at the newly arrived Lin Yi in the third row.
Yet whenever he looked over, Lin Yi was clearly just sitting there quietly, doing nothing at all.
[Spirit Hall published Detailed Classification of Martial Soul Functions thirty years ago. It clearly spelled out these six major categories.]
[And here you are, packaging it as your own research achievement. What a move.]
A burst of stifled coughing sounded through the classroom.
Yu Xiaogang took a deep breath and tried to maintain the Grandmaster's dignity. "These six major classifications are core theories that I summarized through years of research. Among them, the most special are control-type Soul Masters."
[Here comes the praise for control types. You're a control type yourself, after all. If you don't praise yourself, who will you praise?]
[But honestly, your Luo Sanpao, that failed mutation, can't even beat an ordinary assault-type Soul Master. And you have the nerve to call it top-tier control?]
"Pfft!"
This time, a girl seated in the first row failed to hold it in.
Yu Xiaogang's face darkened. "This student, do you have a question?"
"N-no!" The girl hurriedly waved her hands. "I just... just suddenly thought of something funny."
After saying that, she secretly glanced at Lin Yi, her eyes filled with gratitude. Thanks to this Heart Voice guy, she would not be bored enough to fall asleep today.
Yu Xiaogang snorted coldly and continued the lesson. "Control-type Soul Masters play an absolutely vital role in a team. A good control type can determine the direction of an entire battle..."
[That's true enough, but when you give examples, could you stop constantly bringing up your own pathetic little stories?]
[What do you mean, you once successfully controlled a hundred-year soul beast with Luo Sanpao? That soul beast was already injured, okay?]
At the back of the classroom, one teacher truly could not hold back any longer. He pulled out a notebook and began scribbling furiously.
This was all valuable dirt!
It might come in handy when they exchanged with other academies in the future.
Yu Xiaogang had no idea that his embarrassing history was being broadcast live.
The more he spoke, the more engrossed he became, and his voice rose higher and higher. "Therefore, I believe that in a team composition, control-type Soul Masters should occupy the core position!"
[There you go slipping in personal bias again. Don't you just want to prove that a control type like yourself is important?]
[But the reality is that an assault type of the same level could beat the crap out of you. Oh, wait, Luo Sanpao attacks by farting in the first place.]
"Cough, cough, cough, cough."
The entire classroom suddenly erupted into violent coughing.
Yu Xiaogang finally could not endure it any longer.
He stopped teaching and swept a stern gaze across the classroom. "What is wrong with all of you today?"
Yet everyone was holding back laughter, and no one answered.
Only Tang San watched everything with a bewildered expression.
He did not understand. The teacher had been lecturing perfectly well, so why was everyone laughing?
And what exactly was funny?
"Student Tang San." Yu Xiaogang looked at his newly accepted disciple. "Tell me, what was the key point I just explained?"
Tang San stood up and answered seriously, "Teacher just said that control-type Soul Masters occupy the core position in a team. This is entirely correct. I believe that an outstanding control type can absolutely dominate the entire battle."
[Good grief, are master and disciple already flattering each other now?]
[And Tang San, you're someone who uses Hidden Weapons. Why are you pretending to be a control-type Soul Master? If your Blue Silver Grass didn't have the foundation of the Clear Sky Hammer backing it up, it would have been useless long ago.]
[No, that's not right. Your Blue Silver Grass isn't ordinary either. It's the Blue Silver Emperor.]
The moment those words were spoken, the classroom fell silent for an instant, and every face showed traces of shock.
Clear Sky Hammer?
Blue Silver Emperor?
The teachers in the back exchanged glances, their expressions turning grave.
Twin Martial Souls?
And one of them was the Clear Sky Hammer?!
If this was true, then Tang San's identity...
They did not dare think further. This was somewhat beyond the scope of their understanding.
Seeing the shocked expressions on the students' faces, Yu Xiaogang felt slightly better.
See? My theory has stunned them all, hasn't it?
He nodded at Tang San in satisfaction. "Very good. Sit down."
After Tang San sat down, he felt that the looks people gave him had become even stranger.
There was not only distance in those gazes, but also a certain reverence and wariness.
He could not help looking at Lin Yi again.
Lin Yi was lowering his head to take notes, looking as though he were listening attentively.
[Sigh, poor Grandmaster. Even now, you have no idea what kind of monster disciple you've taken in. When that man comes looking for you, your expression will definitely be spectacular.]
[But you deserve it. Who told you to set your sights on his Twin Martial Souls from the very beginning? You say there are no useless Martial Souls, but all you're thinking is that this Martial Soul has tremendous potential and is worth investing in.]
Yu Xiaogang was about to explain the next point of knowledge when he suddenly noticed that the teachers in the back were looking at him differently.
Why did those gazes carry a hint of contempt?
He frowned and continued, "Next, we will discuss Soul Ring combinations. I believe that the limit for a Soul Master's first Soul Ring is four hundred and twenty-three years. This conclusion was reached through rigorous calculations."
As soon as the words fell, Lin Yi's Heart Voice sounded again.
[Rigorous calculations? You mean calculations based on thirty Soul Master cases, twenty-eight of whom were noble children whose families had prepared their Soul Rings for them?]
[Among commoner Soul Masters who truly dare to risk their lives hunting soul beasts themselves, plenty absorb first Soul Rings of five hundred years.]
[Your theory can only fool children who have never seen the world.]
Whispers rose throughout the classroom.
Quite a few Work-Study Students wore expressions of sudden realization.
No wonder they had always felt that something was off about the Grandmaster's theory. So that was the reason.
Yu Xiaogang watched the students below begin whispering among themselves again, took a deep breath, and continued maintaining the Grandmaster's dignity.
He deliberately lowered his voice, making himself sound more profound. "Research into Soul Ring age limits is one of the cores of my theoretical system."
As he spoke, he glanced at the students, who had quieted down, nodded in satisfaction, and continued, "This concerns whether a Soul Master's foundation is stable. If one pursues too high an age for the first Soul Ring, the body may very well be unable to bear it."
"Therefore, I recommend keeping the absorption age of the first Soul Ring below four hundred years. This is not merely for safety, but also for long-term considerations."
Everyone pricked up their ears, wearing extremely serious expressions.
However, they were not listening because of Yu Xiaogang's lecture. They were waiting for Lin Yi's Heart Voice commentary.
Before you continue