Chapter 231: Book of Heavens Path (Second Half)

After searching for a long time, to his disappointment, there wasn't any new book in the library, much less a Soul Depth cultivation technique. "Could I have wasted the golden page for nothing?" Zhang Xuan felt awkward. If that were truly the case, then Zhang Xuan would have made a huge loss. Putting everything else aside, its ability of assimilating the contents of books into his knowledge was already an incredible one. Currently, he had all of the books in the kingdom's Book Collection...