Only after the Dark Immortal Emperor's aura had completely faded from the world did the dozen or so Darkness Supremes, who had been on edge and scarcely dared to breathe, finally let out a collective sigh of relief.
Their rigid backs instantly slumped, and the sweat beading on their foreheads slid down their cheeks, striking the rocks below with faint dripping sounds.
Their faces simultaneously revealed a mixture of relaxation and deep apprehension. Their gazes were filled with terror as they looked toward the direction in which the Dark Immortal Emperor had vanished.
Clearly, they were extremely intimidated by this Dark Immortal Emperor who had just returned from the Boundary Sea—so much so that their fear had reached the level of outright terror.
This Dark Immortal Emperor was a powerful existence who had returned not long ago from the depths of the perilous and crisis-ridden Boundary Sea.
His true strength was unfathomable!
The moment he returned to the Other Domain, he swept across all the forces there that refused to obey, crushing them beneath his absolute pressure.
With a casual wave of his hand, he annihilated several powerful Darkness Supremes!
Afterward, he immediately summoned all the Darkness Supremes of the Other Domain and formulated this plan to launch a surprise attack on the Nine Heavens and Ten Lands.
The reason they had been able to cross the Heavenly Abyss's laws before the End of an Era had truly arrived, while the suppression of the Heavenly Abyss's laws remained formidable, was precisely because of this Dark Immortal Emperor's heaven-defying methods.
Using his own Immortal Emperor origin as a guide, he had briefly twisted the laws in a section of the Heavenly Abyss, opening a temporary cross-boundary passage for the Darkness Supremes.
According to the original plan, as long as the Darkness