In order to research this, Gu Zuo was considered deliriously busy. He basically studied each and every hand seal. After studying it, he still needed to try refining a cauldron of pills, and then he recorded the performances of each attempt. In this way, after a period of chaos, he finally chose three medicine refinement hand seals.
These three hand seals were all pill refining types. No matter if it was medicinal decoctions or cuisines, they shouldn't have appeared in the Tianwu Continent so quickly — Otherwise, the social upheaval would be too great.
Thus, after Gu Zuo made his comparisons,
