C1610 Everyone Is Willing to Sell Him

Ray Jie mentioned that he has quite a bit of knowledge about hidden weapons. These weapons look pretty ordinary, and there's nothing special about their craftsmanship.

"But something like this large throwing dart, which can hit a target from a hundred paces, couldn’t be made this light by the Great Zhou. And did you notice..." Old Hei casually picked up two hidden weapons from the ground