I Found It

It was challenging to find historians who could document the passing of the universe among the many Eras past, except for the Celestials who kept accurate records, yet their work was not enough, for the Great Darkness was vast beyond measure and they could not account for every universe I'm creation, if they did, they would have seen a certain trend occur.

A new super universe would be born, but it would not live for long, barely a few billion years before it perished, in the time scale of a universe, this was nothing but a blink of an eye.

What this simply meant was that Fourth had lots of experience in devouring universes.

When he entered this one, he had pretended as if he had been seriously injured while crossing the Great Desert, and he had opened up his heart to reveal a single drop of Aether.