Tiehai Star Domain.
On the Human Race's front-line battlefield, the Human Race Alliance had already retreated to this star domain.
Over nearly five hundred thousand years, the Human Race's situation had kept worsening, and at the same time, they had kept retreating.
Now, only ninety-nine star domains remained.
The original one hundred and fifteen star domains had all been occupied by the Alien Races. As for the planets within them, most had been relocated by Starry Sky Gods and Rulers to other star domains.
This was a bustling region. Across the boundless star domain, enormous mechanical fortresses stood one after another in the starry sky.
At intervals, a black Steel Fortress of the Human Race towered there, linked like iron chains, forming a massive battlefront.
It guarded the entire border so tightly that not even wind could pass through.
"Boom Boom Boom!!"
At this moment, war had already erupted. Countless warships and spaceships charged out of the bases, and all kinds of laser cannons pierced through space, lit up the starry sky, and blasted into the Alien Race's peak ships.
Warships exploded, forming dazzling bursts of flame.
And scenes like this were everywhere.
Apart from that, there were also countless martial artists, either piloting fighter craft or following Starry Sky Gods, forming military formations one after another.
They gathered Cosmic Power together and fought as one, transforming it into giant energy bodies that destroyed the Alien Race's cosmic bodies, and even engaged the Alien Race's gods in slaughterous combat.
And in a distant region, an independent battlefield had been divided out.
This was the battlefield of the Rulers. The Rulers of the two great alliances flew out and fought madly across tens of billions of light-years.
Cosmic Power stirred up ripples upon ripples.
And at this moment, Qin Ling was