C167 Weak truly too useless

< p > Same procedure, put in the material, melt, and remove the impurities.

Yi Yan spent more than two hours to complete these steps.

What surprised the Shangguan siblings was that when all the materials melted into a dark golden liquid, and all the impurities inside were removed, Yi Yan did not control it to form any kind of treasure shape. Instead, he continued to roast it