The Correct Way to Open the Tool Man Hero

As a god-killer permitted by God, this monster summoned by the Supreme Goddess has reached the status of being equal to all the supreme gods in the divine world in just a thousand years. No one knows how he did it. As the divine system continues to grow, the divine world is not peaceful, and there are undercurrents surging within it. Until one day, he found the Supreme Goddess who summoned him and handed over his power. This seemed to be a deal. From then on, there was no trace of the God Killer. Just a hundred years later, the divine world was completely controlled by the Supreme Goddess. In an unknown plane, a young man who lost his identity climbed out of the abyss...