C1158 Instruction of High Level Metallurgy

Qin Yu looked at them sternly and said in a clear voice, "After half a month of experience and practice, your most basic gold probing foundation has already reached my desired goal. Next, it's time for you all to learn an even higher level metallurgy!"

As Qin Yu said that, he took out a jade chip from the group of storage ring and tossed it over to them