The Nine Extremes Heavenly King fell silent for a moment. The rotations within his nebula-like eyes slowed to an extreme, as though he were weighing what could be said and what could not. At last, he spoke, his tone carrying a rare note of caution:
"Three reasons.
"First, after that great war ten thousand years ago, the laws of the Immortal Dao in the Heavenly Origin Realm began to collapse. They could no longer sustain the existence of immortals.
"Of the immortals who remained, some fled deep into the sea of stars, some chose reincarnation, while others had their bodies and souls utterly destroyed in that war.
"The Heavenly Origin Realm had long ceased to be the land of origins it once was."
He paused, then continued, "Second, it was related to the Tenfold Calamity Lord.
"When the Calamity Lord descended, all laws became empty, causality returned to Void, and the foundations of the Immortal Dao in the Heavenly Origin Realm were shaken to their roots by that calamity.
"Some wounds could not be healed by time."
At that point, the Nine Extremes Heavenly King stopped.
As for the third reason, he did not speak it aloud.
Yet Xu Changqing made the connection.
Void!
When he had first stepped into Third-Level Spirit Transformation, he had once spoken with a mysterious man.
That man had told him that Void had always been expanding, always swelling.
In the past, the Five Emperors had still been able to keep it in check.
Now that the Five Emperors had fallen one after another, no one remained to suppress Void.
The disappearance of the immortals might not have been solely because of that great war, nor solely because of the Calamity Lord. It might also have been because the Immortal Dao laws of the Heavenly