A violent explosion erupted in the occupied zone along the Evil Tide front.
This was an empty, boundless stretch of starry sky. No Complete Rule Planes or Meteorite Belts existed nearby. Desolate, hollow, and pitch-black—those had once been this place's defining features.
Even after the Evil Tide Civilization occupied the Surrounding Starfield, it had never considered casting its gaze here.
There was nothing here. What was there for the Evil Tide Civilization to care about?
Yet likely no one had imagined beforehand that this empty, boundless expanse of jet-black starry sky would become the decisive battlefield where the Ai Youlan Butterfly Civilization and the Black Yin Civilization had once settled their final victory and defeat.
Including the fact that, on the surface, there truly appeared to be nothing here.
But that did not mean there was nothing within the subspace of this empty starfield.
Back then, the Ai Youlan Butterfly Civilization's subspace technology had reached heights that even ordinary Top-Level Civilizations had to view with sidelong admiration.
Not merely subspace—it should be said that along the path of "space," the Ai Youlan Butterfly Civilization's technological achievements had been extraordinarily high.
"Space" and "energy" could be considered the two ultimate mysteries of the Ai Youlan Butterfly Civilization in its heyday.
Even the two Civilization Supreme Treasures that the Ai Youlan Butterfly Civilization had left behind in the history of this Star Realm were inseparable from those two technological mysteries.
The violent explosion that had just occurred had, more accurately, taken place within the subspace of this empty starry sky.
As the explosion erupted, large numbers of Evil Tide Legions and Wizard Civilization Legions that had infiltrated and lain in ambush here were blasted out one after another.
The turbulent spatial structure did not cause the creatures of these two hostile civilizations