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

Ancient Sage Yan Qing had thought that they were goners, but against all odds, the person whom they had a complicated relationship with, Zhang Xuan, suddenly appeared at this moment and charged toward the deity without any hesitation.

Looking at the splendid spearmanship that he might never be able to reach in his lifetime, Ancient Sage Yan Qing sighed deeply in embarrassment. "I guess he's a greater master teacher than I'll ever be. For mankind, personal grudges are nothing to him at all. I wronged him."

For mankind, the other party was willing to bear the criticism of the world and fake his own death so as to sneak into the midst of the Otherworldly Demonic Tribe and quell the threat. This spoke volumes of his character.

How could such a noble person possibly leave them in the lurch when crisis truly hit?

Borrowing a Sword