Refining Rank Eight medicinal pills requires extracting ingredients in a manner that is exceedingly meticulous. With upwards of a hundred ingredients involved—and their extracts notoriously difficult to handle—achieving absolute purity without a high degree of proficiency is virtually impossible.
Whoosh!
Despite exercising the utmost caution, a slight miscalculation occurred while Ye Han was extracting the essence of a Thousand-Leaf Bone-Washing Flower, causing the precious herb to be completely incinerated.
Chapter 479