Heng Sao Tian Ya

Traversing into another world, Zhang Xuan finds himself becoming an honorable teacher. 
Along with his transcension, a mysterious library appears in his mind. 
As long as it is something he has seen, regardless of whether it is a human or an object, a book on its weaknesses will be automatically compiled in the library. 
Thus, he becomes formidable. 
"Monarch Zhuoyang, why do you detest wearing your underwear so much? As an emperor, can't you pay a little more attention to your image?"  
"Fairy Linglong, you can always look for me if you find yourself unable to sleep at night. I am skilled in lullabies!" 
"And you, Demon Monarch Qiankun! Can you cut down on the garlic? Are you trying to kill me with that stench?" 
This is an incredible story about teachers and students, grooming and guiding the greatest experts in the world!
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Millman97

Library of Heaven's Path

StarveCleric

Daoist6fubtiW

"I could already tell while you were facing your lightning tribulation that your bloodline is even purer than mine, but I simply found it too hard to believe then that I wanted to test it for myself to confirm the matter. To think that it would really be true!" the First Elder replied.

He stared deeply into Zhang Jiuxiao's eyes, seemingly trying to peer deep into the latter's soul as he said, "I have looked into your background. Your Zhang Clan bloodline should have been so thin that it's nearly negligible, so how did it become so pure?"

This was a matter that had been bugging his mind all this while.

Such a thing had never happened in the history of the Zhang Clan.

I Have a Humble Teacher