Powerful auras converged right above Earth, leaving trails of radiant light behind them, briefly painting the deathly silent outer space. Every eye was fixed on the blue life-bearing planet down below. There, golden runes churned and spread into what looked like a boundless sea—this was the Separation of Heaven and Earth. 0

As long as those runes endured, the living beings of this planet would remain shielded from invaders. 0

Today, however, a single beam of light pierced the boundless sea of golden, assimilating the innumerable runes before reshaping them into a passageway. Through that passageway, the invaders could descend on Earth.0

Of course, circumventing the Separation of Heaven...0