Wang Jun said, "Yes, it is conceivable that Yunqingmen wants to popularize the crossbow to all the disciples. It is a big project and needs a lot of materials. It is very good to popularize the common materials. Where can there be so many advanced materials to make it?"

Guan Yu came up with a good idea. Zheng Shouzuo wanted to say that he had practiced immortals for more than a hundred years. Over the years, he believed that he had accumulated a lot of good things in the middle of the mountain.

"Xiao Zhi, I'll give you a way, you can go back to find Zheng's first key materials,...