C240 Yin Yang Hand

"A higher quality tree heart?" Yang Xuan murmured, not sure what was going on.

"Tsk tsk, I told you you don't know anything!"

The little black panther said with an aged tone, "The quality of the Wutong tree heart is different. Some of them have lived for tens of thousands of years. The tree heart of that kind of tree far surpasses your wooden sword