At a certain point in his cultivation.
The Yamen Acupoint was filled with Inner Qi that was pure, condensed, and a deep azure so dark it was almost black.
The surging Inner Qi spontaneously charged toward the next crucial acupoint—the Zhubin Acupoint.
HUM…
A dull thrum that only Fang Han could perceive emanated from within his body.
The torrent of Inner Qi crashed into an invisible yet incredibly tough barrier. An unseen wall seemed to surround the Zhubin Acupoint, firmly blocking the rushing Inner Qi.
This was the bottleneck to the Fourth Grade!
He continued to cultivate.
In the Middle Three Grades, breaking through each minor realm was exceptionally difficult. The difficulty of these bottlenecks was comparable to that of crossing a Great Realm in the Lower Three Grades.
And for a major breakthrough like advancing from the Fifth Grade to the Fourth Grade, the solidity of the bottleneck and the difficulty of overcoming it increased exponentially.
