If the strongest enemies the Imperial Pass had to face were only Supremes, then the enemies this Primordial Imperial City had always faced were Undying beings, beyond the Supremes of the Foreign Realm.
This was also why there were fewer and fewer people in the Primordial Imperial City. They had always been fighting forces at the Undying level.
"The Immortal Domain..."
Yun Ying raised her eyes to look above. An invisible power surged from somewhere higher, linking the Primordial Imperial City to the Heavenly Abyss.
She knew this mighty power did not belong to the Nine Heavens and Ten Earths, but to the legendary Immortal Domain.
The power drawn down by the Heavenly Abyss was the Immortal Domain's supreme power of rules, which was why it could hold back the Foreign Realm's Undying Kings.
The Primordial Imperial City existed to control the Heavenly Abyss and wield this supreme power.
"If I want to settle this once and for all, I still have to start with the Foreign Realm."
Her gaze deep, Yun Ying stared at the Foreign Realm. Whatever the reason, sooner or later, she would make a trip there.
This epoch was nearing its end, and when that happened, the Nine Heavens and Ten Earths would enter the Dharma-Ending Era.
Under those circumstances, even if the beings of the Foreign Realm were allowed to come over, they certainly would not.
Before then, the Foreign Realm would probably make another major move. That was Yun Ying's feeling.
"As it happens, I still need some darkness origin."
Yun Ying actually hoped a few more Undying Kings from the Foreign Realm would come. The darkness origin she needed would ideally come from Undying Kings, as it would be purer.
Half a day passed quickly. When Shi Hao emerged from the Primordial Imperial