Chapter 501: This is impossible

Refining the Huiling Pill is a must for a Seven-Star master of refining Elixir.
The elixir with the largest output in Tianbao Sect is Huiling Pill.
The quality of Qinghong Sect's Huiling Pill is far inferior to that of Tianbao Sect, mainly because one of the main medicinal herbs used to refine the Huiling Pill grows in the Three Gorges. Only the medicinal herbs from the Three Gorges can produce Huiling Pills of higher quality.
It can also grow in other places, but the Huiling Pills refined...