The Heavenly Abyss was a sea of laws jointly constructed by the many Immortal Kings of the Immortal Domain. It contained the supreme rules of the immortal Dao and specifically targeted beings from the Other Domain at the undying level and above.
Although Lu Chen had already become a True Immortal, he encountered no obstruction whatsoever as he crossed over from the Other Domain. Clearly, the Heavenly Abyss could recognize his true identity.
Within the Heavenly Abyss stood a Primordial Imperial City, concealing one of the former Seven Kings of the Borderlands of the Nine Heavens and Ten Lands.
Although that king was not truly an existence within the Immortal King domain and had merely inherited the title of king, he was at least an immortal Dao expert in the True Immortal realm.
It was that king who guarded the Primordial Imperial City and wielded the supreme power of the Heavenly Abyss. Only through his efforts had it withstood the attacks of undying-level existences from the Other Domain throughout those long ages, protecting the Nine Heavens and Ten Lands for countless tens of thousands of years.
As Lu Chen crossed the Heavenly Abyss, immortal light flickered in his eyes. In the deepest reaches of that vast sea of laws, he saw an ancient, enormous city rising and sinking.
"An Immortal King is coming. The curtain is about to fall on the Primordial Imperial City."
With a complicated look in his eyes, he gazed into the depths of the Heavenly Abyss. Two steps carried him across hundreds of millions of li of empty space, and he stood atop the walls of the Border Wasteland Imperial City. Its peerless immortal formation could not hinder him in the slightest.
"Greetings, Senior!"
On this particular stretch of wall, the Supreme-level Experts of the Imperial