Chapter 1743: The Mastery of the Celestial Star Universe

"A Supreme Ruler?" Even the Azure-Clad Ruler's face turned pale upon hearing the words "Supreme Ruler." A Supreme Ruler was far superior to a regular ruler. They reached a new level of supreme power, mastering techniques at the highest level. Although they couldn't compare to true supreme beings, they were much stronger than ordinary rulers. "With my current strength, if I encounter a peak Nine-Origin Ruler, even among the best, I wouldn't be afraid. But if I face a Supreme Ruler, I have no guarantee...