After confirming the changes in Demon Immortal Realm as well as the matter of the demon emperor corpses, Wu Yu left Peak of the Granular Wooden Realm.

From what these demon immortals said, it seemed like the truth remained unknown.

All life from that time might well have perished in totality.

As to whether the cause of the genocide was immortal or ghostly immortal, it was all guesswork.

Of course, it was possible that one would be able to deduce the answer from the eternal demon emperor corpses.

Too much time had passed, and many of the clues in Demon Immortal Realm had already vanished. But it was possible that some clues remained on the eternal demon emperor corpses.

Emerging from Peak of the Granular Wooden Realm, he could not calm himself easily.

"So many years before, there was a great world, just like the 8,000 Sky Palaces or the 10,000 Levels of Hell. And it was completely destroyed."

Evidently, not many immortals in the heavens or hells knew about this matter.

Although Demon Immortal Realm had been sundered, but it was still vast. Finding Jiu Ying would depend...