C1413 Waste utilization

The dregs sent by the Water Mirror Taoist were actually useless to him, so he turned to Qin Lang and said: "We found this in our Qingcheng Sect's Pill Refining Room. It was used by previous alchemists to store and refine pills and such, because although these dregs cannot be turned into pills, but at least we can use them to make medicine. This thing isn't very useful to us