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

Zhang Xuan was rendered speechless by their reactions. He did not think that those fellows would flee so quickly as if he was some kind of frightening monster.

It was true that he had intended to get rid of the Otherworldly Demons; it could possibly spell the end of mankind if they, by any chance, managed to acquire the Great Codex of Spring and Autumn. However, for Yan Xue and the beasts, he had really intended to just have a chat with them!

On the other hand, seeing the stifled look on Zhang Xuan's face, Zhao Ya and the others could roughly guess what he was thinking, and slight smiles crept onto their faces.

"It's not that they are afraid; they simply want to avoid any unnecessary complications. As candidates chosen to enter the Prime Hall, they have only one mission—obtain the Great Codex of Spring and Autumn," Luo Ruoxin explained.

Kong shi's Last Trial