C834 Tan Shitian

Iron core glacial root!

This thing was much harder than the Ganoderma lucidum Chong Lou refined for the first time.

Ganoderma lucidum was a Tier 1 medicinal herb.

This iron core glacial root was a Tier 3 medicinal herb.

It was also the hardest to refine among Tier 3 medicinal herbs.

The degree of difficulty in refining it was even more terrifying than Tier 4 medicinal herbs