f the Heavenly Machine Pavilion since childhood, only had a superficial understanding of weapon manufacturing. His younger sister, Yun Tianqing, who had been nurtured in such a unique environment sinc...eat."The young man was taken aback, then quickly put away the jade pendant and bowed to Qin Luo'yan: "I will remember your help, Miss. When I have the opportunity, I will definitely repay you."Qin Luo...