C858 Concocting Pills

The room wasn't completely sealed off. There was also a pavilion with no external walls. It was very spacious. There were some furnaces and things like that. These were the tools Wan Kangshun used when refining his own medicine!

On the side, there was a large vat. The vat was filled to the brim with the remnants of medicinal herbs. Some of the vats even sprouted new sprouts