C153 The Materials Needed to Refine a Flying Sword

Zhou Yang looked at a box on a shelf and thought, he walked over and took the box down. Inside the big box, once it was opened, Zhou Yang was stunned. Inside was a tree root filled with vicissitudes of life. It was lying quietly inside. Although it was called a tree root, it was also because of its interconnected roots. In fact, it was only the size of a computer at home.

"This is..