While Song Nianchu was researching the Detoxification Pill, the other two groups also encountered Xuejian Herb.
"Some pills require Xuejian Herb during the refining process, so it's impossible to find any outside that are more than a few decades old," Zhangsun Lin said, sounding quite excited when he saw the herbs.
Outside, even the most mediocre twenty-year-old Xuejian Herb would be snapped up by someone immediately. Here, however, almost all the Xuejian Herb were over a hundred years old. This was because, beyond a certain age, the medicinal properties of the Xuejian Herb tend to dissipate. The oldest ones Zhangsun Lin and his team encountered were five hundred years old.
Chapter 502