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

The shocked Ancient Sage Mo Ling swiftly turned his gaze toward Zhang Xuan, and what he saw left him even more flabbergasted.

At that very moment, Zhang Xuan was standing less than three meters away from Ancient Sage Lan Ya, but it was as if the latter could not see him at all. It was truly a baffling sight to him.

Ancient Sage Mo Ling quickly figured out what was going on.

It's the work of the formation…

Due to his high cultivation, it would have been understandable if Ancient Sage Lan Ya had been unable to detect his presence if he hid himself. But the fact that Ancient Sage Lan Ya was unable to notice Zhang Xuan—despite being in close proximity to one another—could only mean to say that the formation was really overpowered!

How Fragile Life Is