The ecosystem of Cubic Distance had its own tiers. You remained in the tier you occupied; if you broke through it, you would be crushed by beings of a higher level.
Even if they defeated the Unknown, what lay beyond it? Were there even more powerful civilizations? The Unknown still left Human Civilization room to fight back. But if an even more terrifying civilization appeared, Human Civilization might be destroyed outright—like the Nine Fortresses Across the Sky that Ancestor Mountain had once seen. That had been the pinnacle of Human Civilization, and yet it had still...
perished.
That was the Law of Cosmic Harmony.
That was what it meant to know one's limits.
Lu Yin headed toward the Karma Great Celestial Phenomenon, thinking over Ancestor Mountain's words.
He wasn't wrong. Master Cao wasn't wrong, either, and neither was Ancestor Mountain. Each of them had their own understanding of survival and the universe. It all came down to which path Human Civilization would choose.
Given his temperament, he would naturally choose the path of the Fishing Civilization: climb step by step, destroying any force that stood against Human Civilization.
But what if that path ended in destruction?
He couldn't refute Ancestor Mountain's words.
After entering the Karma Great Celestial Phenomenon and confirming that the Immortal Master wasn't watching him, Lu Yin used Instant Movement to return to the Heavenly Origin Universe. He brought Blood Tower Supreme with him, then used Instant Movement to return to the Nine Heavens Universe. Shocking Gate Supreme Lord and Master Ku Deng appeared one after another as well.
Lu Yin recounted what had happened on his trip. Everyone's expression grew grave as they listened.
Azure Lotus Supreme said, "That senior Ancestor Mountain understands Cubic Distance more deeply than any of us. Human Civilization keeps growing stronger,