Chapter 165: Promptly Arriving in Duanren Empire

A single grade three spirit stone was apparently sufficient to refine one Grade Five Spirit Dan, whereas grade four and five spirit stones could be used to refine a Grade Four Spirit Dan and below. Grade two and grade one spirit stones were used in refining Grade Six and Grade Seven Spirit Dans. However, the price of spirit stones did not come cheap: just one grade three spirit stone would usually cost somewhere around thirty thousand gold coins. Considering a grade three spirit stone’s price...