Heading To The Fen Yan Valley

Why was the strength of the current Mortal Realm completely lagging behind the Immortal Realm?

One had to know that back in the Mortal Realm, the cultivation civilization was extremely brilliant, and experts appeared frequently.

Even in the entire Six Realms, they were existences that could not be ignored. Even the Immortal Realm was slightly weaker, second only to the Immortal Realm.

However, why did the Mortal Realm fall to such a state after a great calamity?

First point, of course, it was because of the fall of the experts and the disappearance of the inheritance that the future generations could not make up for this gap.

The second solution was that even if the inheritance disappeared and the experts died, according to the talent of the Mortal Realm at that time, they could gradually recover to their former glory after a long period of recuperation.

However, why was the gap getting more and more serious?