C409 The Mystery of the Forbidden Area.(1)

There was not a single Jade Slip in the library of the Orc Tribe. All of them were books that had been bound with Thousand Layer Wood that had not rotted for ten thousand years. Therefore, Feng Lian's reading speed was a little slow. He had only read less than one-tenth of the books in ten years.

There were very few records of alchemy and refining in the books