Selling Nourishing Face Pills would certainly bring Su Xing a huge profit.
But right now, Su Xing doesn't know exactly how much the profit would be, not until he brings the Li Fire Alchemy out of the simulator and successfully refines a batch of Nourishing Face Pills.
[Year five, because you have produced a low-grade version of the Nourishing Face Pill and achieved financial freedom, you are ready to start deepening your research on the Li Fire Alchemy.]
[Your determination is astonishing. You spent a year memorizing all 360 pill formulas of the Li Fire Alchemy, along with all the steps, but since you lacked the necessary spiritual medicines, you couldn't successfully practice alchemy.]
[Year six, one day, Wang Qingxuan found you. In these years, Wang Qingxuan had limited contact with you because she feared exposure.]
[Wang Qingxuan brought you the first half of the Changchun Technique. You were puzzled and asked about the whereabouts of the second half.]
