C426 Urns

The urn was one of Mr. Miao's traditional Gu refining tools.

There were many who could use this, but there were only a handful who could really use the essence and even the skill level.

Although this thing is used to refine Gu, if you want to use it to refine Gu as quickly as possible and ensure that the Gu is no different from the Gu poison that is refined in ordinary methods