C297 Underground Chamber of Commerce

With regards to refining pill, Tian Cheng had also gained a lot of knowledge. In theory, the method of refining pill should not have been able to produce Blue Element Liquid, to put it bluntly, other than Tian Cheng, no one could refine a second grade high grade medicine. Of course, other than the Spirit Attraction Technique, which existed in another method, given how big this world was