As Fang Heng thought about it, he quickly checked the exchange vault of the Tree Whisperers Alliance.
It seemed like the Tree Whisperers Alliance was a relatively low-level organization.
There were very few useful things in the exchange vault.
The only ones that caught his eye were a few natural science skill books.
However, the skill book's level was too low, and his natural science level was too high. Even if he read all of them once, he would not be able to gain many experience points.
As for the rest, there were some books related to the tree spirits. When the time came, he would exchange them for Sandy to take a look. Perhaps he would discover something.
Fang Heng looked up at Mr. Yule again and tried to ask, "Mr. Yule, about the tree spirits..."