C462 Refining method

Wu Xin rolled his eyes at Liu Chuan and said: "With me here, what are you afraid of? You can be at ease, refining this Weeping spirits and ghosts is indeed a little difficult, but I will tell you the specific refining method, and we will draw the ladle according to the bottle gourd, don't you know that? "The most difficult part of being an apothecary is whether or not you are able to understand