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Chu Zhiyuan said, "Uncle, can a Great Grandmaster Perfection attain immortality?"
"Of course not," Chu Qingfeng said, "Five hundred years is the limit."
"Then do we have any martial arts that surpass the Grandmaster Realm?"
"Martial arts from beyond the heavens?... There are methods that surpass the Grandmaster Realm, but they can't be practiced successfully; it's just a theory," Chu Qingfeng said. "Someone found such martial arts in the Secret Land, but it's a realm that can only be reached through cultivation in another world. In our world, the Great Grandmaster is the limit."
Chu Zhiyuan said, "If one stayed in the Secret Land for a month, came back for a few days, and then returned to the Secret Land…"
"If you stay in the Secret Land for a month, you need to stay here for at least a month," Chu Qingfeng said, "Otherwise, you can't enter the Secret Land again."