Eight-Demon Immortal-Refining Formation

"Buzzz—"

As Chen Nianzhi's words fell, heaven and earth trembled violently.

In an instant, dazzling streams of light bloomed from the various spirit islands. Countless formation patterns gathered above the ninth heaven and pressed down upon the Demon Abyss Heavenscar, aiding the will of heaven and earth in resisting the Outer Realm Demon God.

The Celestial Stars and Constellations Grand Formation was already incomplete, its power far inferior to its heyday, yet it still ranked among the finest formations in the mortal realm.

But before an existence as supreme as the Outer Realm Demon God, it was merely a mantis trying to stop a chariot.

That sky-rending, earth-splitting demonic hand tore through the void, forcibly ripping open the Heaven Scar and leaving behind an enormous wound.

"Rumble..."

After a moment of silence, thunderous roars swept across heaven and earth.

The Primordial Spirits of the human race stared at the Demon Abyss Heavenscar, every one of them wearing an incomparably grave expression.

In truth, everyone was deeply uneasy about this battle. On the one hand, after nearly a thousand years of war, the Primordial Spirits beneath the Outer Realm Demon God had suffered grievous losses, and they likely no longer possessed the strength to gather an offensive like the one from back then.

On the other hand, their opponent was, after all, the Outer Realm Demon God. Perhaps over these thousand years, it had found an even more terrifying trump card.

Now that the Demon Abyss had opened once more while the Celestial Stars and Constellations Grand Formation had lost more than half its power, how could they not be uneasy?

"Kill—"

At that moment, treasure ships sailed through the void from within the Demon Abyss.

The ships formed a vast black mass, carrying countless Devil Race armies across the void,