chapter 37 In advance ===

"I found it, I found it, please ask me to find it easily."

Maybe it was because there were too few people buying this kind of technique that had no requirements on attributes. After a long while, the guy patted a book with a lot of dust on it and a simple cover, and said with a look of surprise on his face.

"Oh? Did you really find it?"Rusk Cunning also flashed a hint of joy on his face. He stepped forward and took the book in his hand. He saw that it was indeed the "Hunyuan...