C831 He Swallowed the Cloud Reversing Pill

As Pill God, besides knowing how to concoct all kinds of pills, Wu Chen also knew the properties and uses of all kinds of pills like the back of his hand. Naturally, he knew about the Yun Huan Dan as well.

To put it bluntly, this Yun Huan Dan was a kind of Forbidden Pill. Once this kind of pill was consumed, it could greatly increase one's cultivation and strength in a very short period of time