The underwater grotto-heaven beneath the Black Sand River had finally made the Core Formation Ancestors of the two sects unable to sit still. They had actually reached an agreement to join forces and open the grotto-heaven together.
The matter was of great importance, so it was only natural that the two sects would make such a decision and temporarily set aside their grudges.
If an ancient Demonic Beast Egg with a powerful bloodline had truly been sealed until the present day before emerging, it could very well bring about a great calamity in the future.
Because of Foundation Establishment Pills, demonic beasts in the Human Realm had become quite rare. Aside from a few Forbidden Zones where demonic beasts gathered, even in deep mountains and ancient forests, demonic beasts had been hunted to extinction.
If this Demonic Beast Egg emerged and hatched a demonic beast with limitless potential, then once it grew to a terrifying realm in the future, there was no guarantee it would not seek revenge against the human forces.
After all, both the Tianhe Sect and the Shangqing Sect were the leading powers of the Qingling Region's Cultivation World. If a powerful Demon King rose in the future, they would likely be the first targets of its vengeance.
After reaching a consensus, the Supreme Elders of both sects gathered in the Black Sand River region!
The atmosphere around the Black Sand River was oppressive. All unrelated people had been cleared away, and even Foundation Establishment Realm elders from the two sects were not qualified to remain and watch.
Dark clouds blanketed the sky, as if a torrential downpour might fall at any moment.
Amid this stifling atmosphere, one figure after another appeared, floating through the air.
"Hahaha! After so many years, Old Monster Wan, you really have