Byeok Ran-Eum was the name of the examiner who trained heroes and judged whether they were worthy to go onto the next stage of their careers in the Celestial Realm. The way she was recruited was also very special, perhaps even more so than Ru Amuh, who distinguished himself from other heroes by achieving a great feat before becoming a Celestial hero.

There were countless planets in the universe, and thus countless planets were home to lives as well as developed civilizations and cultures. As these planets aged, the majority of them faced at least one crisis big enough to cause their extinction. But as there were exceptions to every case, there were a selected few that maintained peace without the threat of extinction.

And perhaps the fact that one of the Celestial Managers noticed this one planet was a stroke of fate. It didn’t face any significant dangers, but boasted a record number of heroes coming from it. And when the Celestial Manager carefully studied the planet to find out what was special about it, they were astonished. It was a planet just like any other—with wars and different creatures living together. Except for one thing. When residents of the planet detected danger, they all gathered their forces to defeat the enemy. As if they had made each other a vow that could never be broken, they followed this rule even if they were each other’s worst enemies.

But what really shocked the Celestial Manager was this particular planet’s way of extinguishing an enemy or resolving...