If heavenly-grade pills contained a trace of spirituality, then saint-grade pills contained a wisp of Dao essence.
Not only did saint-grade pills double in medicinal efficacy, but taking them also increased the user's comprehension of the Great Dao, bestowing the heaven-defying effect of boosting one's insight.
Pills of this tier had never circulated on the market. There were two reasons for this: first, the difficulty of refining them was immense; and second, anyone who managed to refine such a tier of pill would use it themselves. Who would be foolish enough to sell it?
Chapter 58