156 The Iron Sect Returns to the Continent 2

So the strongest and most talented warriors cultivated up to the fifth realm at most in the history of this continent, not even Zhang Yi had known anyone who had reached that level of mental energy, he met some in the fourth level in the Leaf sect and that's because these people were in the realm of mortal tribulation or the realm of the spiritual sea and have lived for over 4,000 years.

The main reason for this was not that mental energy was underestimated on this continent, because on all continents who cultivated mental energy was widely respected by all, the reason why it is so difficult to cultivate mental energy in this world is that there is a lack of methods of cultivation for mental energy, simple as that.