I Shall Be Everlasting In the World of Immortals - Chapter 61: The Successor of an Old Friend

... the ninth layer belonged to the late stage of Qi-Refining. Each layer increases one's power by no more than twenty to thirty percent.

However, transitioning from the early to the middle stage or from the middle to the late stage of Qi-Refining results in a significant power increase, almost doubling it.

The same was true for the Foundation Establishment Realm.

Two days later, once his power stabilized, Lan Chang'an exited the secret chamber.

The Profound Water Tu ...