Chapter 156: Duan Jiang This Man

after much deliberation, he could only use copper mirrors that were manually polished. Although it was time-consuming, laborious, and costly, fortunately, he was only temporarily cultivating a trial f...that the only artisan capable of crafting it in all of Qin now is Song Yingxing. Although he's diligently training others, this thing requires talent and even a bit of luck. Just during this period w...