Lu Shouzuo said: "Yes, but this crossbow, the material requirements are very high, the better the material, then the greater the power of the crossbow made, that's why."

"It's awesome. If this thing can be made more, it will be a great improvement for our battle."

Uncle Jiushi asked again, "After so long, you haven't said what on earth does this have to do with the iron ore?"

Xuan Ming laughed and said, "Just because he wanted to make this crossbow, Guan Yu went down to buy materials and met a set of armor in an auction house. It was a piece of armor coming down from many sand yards....