C65 Make Trouble

"Next, I will teach you how to refine Element Consolidating Pills. " Chu Xingyun said. "All of you have to be alert. Because the refinement of Element Consolidating Pills is relatively simple, all of you must ensure that there are B grade pills appearing in every furnace. "

"B grade!" The four of them were shocked, "This is probably a little difficult. "

That's right