Heaven had existed since ancient times. No one could say clearly where this ancient world had come from. All they knew was that Heaven had already existed when the era of the All Heavens began.
This world was boundless, containing countless universes and millions of races. Even the mightiest Immortal King could not cross it in a lifetime, and not even a Dao Ancestor could explore it completely.
One could imagine how richly blessed with cultivation resources such an ancient, immense world was. Through the long years and the rise and fall of countless eras, it had given birth to more powerful beings than anyone could count.
And now, at the very heart of Heaven, powerful beings had gathered, their auras shaking the Sacrificial Sea.
"The Dark Lifeforms are finally making their move! This time, the Underworld is the first to go to war!"
A mighty Dao Ancestor sat at the center. As his eyes opened and closed, the light of Primordial Beginning flickered within them. He was the renowned Primordial Beginning Dao Ancestor of Heaven.
Rumor had it that he cultivated the Primordial Beginning Grand Dao and had fathomed the mysteries at the root of all cultivation in the universe. His strength was extraordinary, making him one of Heaven's most renowned experts beneath its two Immortal Emperors.
The fact that a figure like him had personally summoned so many Immortal Kings showed how seriously Heaven took this war.
Heaven's Immortal Emperors were closely watching events in Above Heaven and could spare no attention elsewhere. They had only sent down an Imperial Edict to the Primordial Beginning Dao Ancestor, ordering him to stop this war.
"Primordial Beginning Dao Ancestor, the Eight Paths of Reincarnation has brought a great many powerful fighters to the Underworld this time. The world barrier is