C2244 Mysterious Immortal Cultivator

"Zhang Can, let me ask you, why did you Rand Civilization suddenly rise to prominence more than a hundred years ago? "According to my investigation, what did you discover, but what you discovered was top-secret? What is going on here?"

"Reporting to Master, I don't know the specifics. I only know that a hundred years ago, the Empire had decrypted an important thing, and through that thing