Zero.

Summary

Zero Civilization, the most powerful civilization in the Cosmic Zero, consists of a mystical and scientific system led by four great leaders. The Apocalypse Calamity Theory was confirmed at the start of the Third Era, prompting a search for lost materials in another universe. The Supreme Overlord proposed an attack on this universe, but a scientist created the One Yuan Two Yi Machine to balance matter between the realms. As the Zero Civilization faced the God Clan, they devised a plan to create robots using advanced technology and Space and Time Sand. After a millennium of war, they succeeded in creating powerful humanoid robots, marking a significant turning point in their struggle.

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