Onefold!
When cultivating within the High Grade Spirit Academy, the speed of Cultivation enhancement was actually double the speed of cultivating within the Mid-grade Spirit Academy.
It was more than three times what Ye Zhen had initially estimated.
When he first discovered this result, Ye Zhen almost bit his tongue in shock, but as a martial artist in the Soul Sea Realm, his judgment was unlikely to be wrong under undisturbed conditions.
However, based on the difference in concentration of Heaven and Earth Primordial Qi between the Mid-grade and High Grade Spirit Academies, the speed of Cultivation enhancement in the High Grade should have been 30 percent faster than in the Mid-grade.
The result obtained, however, was onefold!
The concentration of Heaven and Earth Primordial Qi was correct; within the Mid-grade Spirit Academy of the True Spirit Domain, it was about three times that of the outside world, whereas in the High Grade Spirit Academy, it was about four times.
