For Yu Xiaogang, Tang San was his disciple, and he had every right to know his secret.
He had accepted Tang San as his disciple with the purpose of letting him test his theory.
To him, Tang San was nothing more than a guinea pig.
Fortunately, Tang San was the protagonist of the original timeline, so he didn't die from absorbing the spirit ring blindly.
Tang San in the original timeline had questioned Yu Xiaogang's theory. From the third spirit ring onwards, no one followed Yu Xiaogang's theory to obtain spirit rings.
After getting the fairy herbs, he gave away so many of them, but Yu Xiaogang only got one that was also not a fairy herb.
"Teacher, you have already broken through level 30, what more do you want?"
Tang San realized that he had been deceived by Yu Xiaogang, but there was no way back. Once a teacher, always a father. That was what he had said himself.
He considered himself a gentleman, pure and innocent, and even though he was unhappy about choosing the wrong master, he kept his composure on the surface.
Besides, Yu Xiaogang's connections were the goals of Tang Hao and Tang San!
The golden iron triangle was the weakest link.
The second young master who fled from the Blue Lightning Tyrant Dragon Sect...
The former Pope of the Spirit Hall...
Without these connections, Tang San would have been hunted down after awakening his Martial Spirit.
Becoming a disciple of Yu Xiaogang was not without benefits, at least his connections were very useful.
After hearing this, Tang San fell into deep thought.
If it was the ten thousand-year fourth spirit ring that he had absorbed normally, he could tell Yu Xiaogang how he got it without any hesitation.
But this spirit ring was different, it was Tang San's own natal spirit ring.
If he could produce a spirit ring by himself, wouldn't he become a spirit beast?
Well, his mother, the Blue Silver Emperor, was a hundred thousand-year-old spirit beast reincarnation. To be precise, he, Tang San, was the crown prince of the Blue Silver clan.
This was Tang San's secret, second only to the Tang Sect's secret. Before he had absolute strength, he didn't want to reveal this secret.
Suddenly, Tang San seemed to have an idea, and his eyes sparkled.
He remembered that the Blue Silver King had once said that this spirit ring was produced based on the limit of his body's strength.
Physical strength?
Since it was generated by himself, the Blue Silver King didn't mention the soul shock.
The reason why Tang San was able to obtain the fourth ten thousand year spirit ring was because he had received the blessing of a hundred thousand year spirit bone and his body was so terrifyingly strong that he could condense the ten thousand year spirit ring.
'If I say this, wouldn't it overturn the teacher's theories?'
Tang San looked at Yu Xiaogang and fell into deep thought again.
What was the maximum lifespan of the spirit ring that each stage could bear?
Different soul masters had different physiques, and naturally the age of the spirit rings they could absorb was also different.
Did he expect auxiliary soul masters and combat soul masters of the same level to absorb spirit rings of the same age?
If the auxiliary soul master really absorbed the spirit ring according to the maximum age set by Yu Xiaogang, he would have died without even knowing it.
'I finally understand why the teacher is a clown in the eyes of those nobles and powerful forces.'
'His theory...'
He didn't understand it before, but now he did. Only then did Tang San realize why everyone ridiculed Yu Xiaogang.
He had no problem with most of the knowledge about soul beasts, such as identifying them, their habits, weaknesses, etc.
But his own theory was full of flaws.
In a flash of lightning, Tang San's mind was flooded with thoughts.
"Teacher, can I ask how you came up with the theory of the maximum age of the soul rings that a soul master can absorb at each stage?"
Tang San didn't understand this before, but when Yu Xiaogang guessed that he had a twin martial soul, and there was some evidence, he was so shocked that he worshipped him as a god and became his disciple.
He didn't know anything at all, but he trusted everything Yu Xiaogang said without question.
He thought those nobles were blind.
But, was his martial soul really useless?
He knew that his Blue Silver Grass martial soul was the unawakened Blue Silver Emperor!
After awakening, he soared into the sky, and even have his own innate domain.
How could a martial soul of this level be a useless martial soul?
Based on his own theory, Yu Xiaogang accidentally guessed that he had a twin martial soul, and then accepted him as his disciple.
Now he thought about the saying that there were no useless martial souls, only useless soul masters.
Tang San felt his face burning, very hot.
Yu Xiaogang was stunned. Tang San did not answer his question directly, but instead asked about the origin of his theory.
For a moment, Yu Xiaogang wanted to get angry. Was this something that his disciple could ask?
The source of his theoretical knowledge was somewhat shameful and had always been his secret, and he did not want to mention it.
After thinking about Tang San's identity and past, Yu Xiaogang took a deep breath.
"I don't want to reveal the specific source, but the maximum age of the soul rings I proposed is not a fantasy. It is data obtained through countless soul master experiments."
"What baffles me is how you broke this rule. ."
"Logically speaking, the fourth soul ring can only absorb soul rings within five to six thousand years, which is already the limit of the quasi-soul Ancestor."
"Only when one reaches the soul king level, one can absorb soul rings within thirteen thousand years."
Faced with Yu Xiaogang's evasive answer, Tang San wanted to say something, but couldn't.
How could a twenty-nine-level loser get data from countless soul master experiments?
Since Yu Xiaogang didn't want to say anything, he didn't ask any more.
"Teacher, the soul master's absorption of soul rings is determined by the soul master's physical strength."
"The stronger the body is, the more energy it can withstand."
"I see."
Yu Xiaogang touched his chin and nodded thoughtfully.
"His theory" was refuted by Tang San's words, but he didn't care.
Tang San's theory was as hard as climbing to the sky to achieve.
Almost no soul master would take the initiative to strengthen his body. Even if they did, it would waste precious training time and achieve minimal results. This kind of thankless task was not as good as cultivating more soul power.
In Douluo Continent, soul power was the foundation, and focusing on physical fitness and self-created soul skills in the early stages were all wrong paths.
To do these things, it would be more practical to upgrade your soul power by several levels.
'Although this piece of theoretical knowledge was spoken by my disciple, he shouldn't mind if I publish this theory under my name because I am his teacher right?'
Yu Xiaogang thought to himself.
With this theory, he was one step closer to becoming a true theoretical master.
"Once I publish this theory, it will shock the world, and those who have laughed at me will be very surprised!"
"Tang San is my disciple. His fourth spirit ring is ten thousand years is all thanks to me. It's because of my theory!"
Yu Xiaogang's mind was racing and he was slowly losing his sanity.
Gradually, the corners of Yu Xiaogang's mouth curled up, and his eyes shone with excitement.
He had always been scorned by others, but now he had a chance to turn the tables!
"The Xiaosan won't mind. After all, I am his teacher."
"Besides, he doesn't know much about theory."