C191 search for medicinal herbs

Xing Long flew in a circle around the copper and gold coins on the table, and said to Xing Tong seriously: "This time, I can help you refine the pill furnace, and then help you refine a batch of pills. However, I will not help you refine pills in the future, but I will teach you the method of pill refinement. "In the end, let me tell you this. Although this pill is good, it can only help