C55 Restudy of Alchemy Techniques(part I)

Not long after the two of them left, they heard someone say, "The cultivation world is really in chaos these days. Didn't you see? In the current cultivation world, there is not even a Tier 3 pill refiner. The pill refiners and refiners are basically monopolized by the big doors, as if to stop the development of the Rogue Cultivator Alliance." According to this plane