The starry sky had no upper limit. As long as one climbed high enough, anywhere could be called the heavens.
Compared to many life-bearing planets, this place lacked some of the necessary conditions for survival, so many planetary scholars called it a vacuum.
However, at Su Lin's level, he could sense that the starry sky did not lack matter, energy, or rules.
It was simply exceedingly difficult to draw upon the matter, energy, and rules within the dark starry sky.
Only Celestial Realm Experts could barely absorb a trace of them.
Even at Su Lin's level, the energy, matter, and rules he absorbed from it were barely enough to sustain his life, let alone supply the Celestial Realm Imprints within his body.
That was the fundamental reason why survival in the starry sky was so difficult.
Ancestor Species could only be regarded as quasi-starry-sky troops. Only those at the Heaven Realm could truly step into the starry sky and wage war!
Even after reaching the Nebula Layer, military strength was no longer measured by Ancestor Species, but solely by Heaven Realm warriors.
At this moment, within this dark, cold starry sky that was unsuitable for prolonged stays, Su Lin and Qing Ming stood facing each other.
Even Su Lin sensed a hint of threat from this strange plant whose aloof aura could astonish countless stars.
"You followed us all the way here, didn't you? To see whether we could return alive? And how exactly can the Star Battle Divine Army's restriction be undone? What do I need to offer in exchange?"
Su Lin spoke first, simple and direct.
They all said he was peerless in slaughter and cold-blooded, but whenever possible, Su Lin did not want to abandon any Exotic Beasts he had personally brought out.
Not everyone could become