Gu An remembered the Heavenly Demon Great Emperor because of Ji Xiaoyu.
The Heavenly Demon Great Emperor had a grudge with Ji Xiaoyu, and Ji Xiaoyu's true self had already lost to him several times.
When the Heavenly Demon Great Emperor descended near the Heavenly Spirit Great World, Gu An had divined the future and learned what would happen next.
If he did not act, the Heavenly Demon Great Emperor would bring a catastrophic disaster to the Heavenly Spirit Great World.
If he did act, even more tribulations would appear in the future, and it might even hasten the Heavenly Spirit Great World's destruction.
The fate of the Heavenly Spirit Great World was caused by the momentum of Heaven and Earth—that was, ordained by the Heavenly Dao.
The Heavenly Dao would influence the will of all living beings. It would make them combative, and it would create an atmosphere that intensified conflict. Unless Gu An could manipulate the will of all living beings under heaven, only then could he truly save the people of the Heavenly Spirit Great World. But if he did that, all living beings would be like puppets, and that would be a life worse than death.
Besides, what the Heavenly Dao destroyed were the living beings of this era, not all life in the Heavenly Spirit Great World forevermore.
After these years of accumulation, Gu An's divination ability had been steadily improving. He could even divine the outcome after he took action. Of course, he could not divine existences whose cultivation realm was higher than his own.
"Demon God? What Demon God? Is it your opponent, Master?" Tianbai subconsciously asked when she heard Gu An's words.
The World-Outside Grotto-Heaven was still trembling. Even with Heaven and Earth Power isolating this place, it was still like this,