C708 To Break Through to Become a Tier 5 Pill King

The next step was to become a Tier 5 pill refiner. On the surface, there seemed to be only a difference of one level between a Tier 5 and a Tier 4 pill master, but in reality, the difference between a Tier 4 pill master and a Tier 5 pill master could be said to be incalculable. Just like how Tang Ao had been able to become a Grade Four Alchemist in his previous life