章 102: To the Top of the World

"Hu! It's finally done!"

Zhang Xuan had been flipping through the books since afternoon, and it was already around ten at night. Finally done with his work, Zhang Xuan heaved a sigh of relief.

There were all kinds of books on in the basic tier book collection vault, and they were all regarding pill forging. Even though his cultivation realm had risen by leaps and bounds recently, flipping through that huge collection of books still caused him fatigue.

After flipping through all of the books, he confirmed that there were no books regarding unique constitutions in this book collection vault.

Naturally, he was unable to find an answer to his question.

That was to say, he had to become an apothecary to look through the advanced tier book collection vault to achieve his goals.

"This knowledge should be enough for the apothecary examination!"