Parallel space-times with different time flows were almost all controlled by powerful beings. Lu Yin had heard that the powerful beings beyond the borders loved trading in these parallel space-times, especially nonhuman ones. Many could live for a very long time. They had little else, but plenty of time, so they didn't mind spending it in these parallel space-times.
"Have you thought this through? Once I start searching, I won't be able to return for a while. The time spent in those parallel space-times will come out of your own lifespan. By the time you return to White Cloud City, several generations may have passed," Lu Yin warned.
Jiang Chen didn't seem to mind. "Do you know how White Cloud City developed? If Father had to rely on himself alone, then even just protecting the city all day would exhaust him. If we want to develop, everyone else has to keep up too. Uncle Kong, Ba Shu, my uncle, and the others all went to the Five Spirit Clan to cultivate, but..." His expression darkened. "Very few of them can come back alive. They're all proud people, and they once competed with Father. They won't return unless they can reach the heights he did."
"Since White Cloud City was founded, almost all of the first generation of powerful cultivators have died. Father blames himself, because many of them never had the chance to benefit from abundant resources. By the time Earth was completely safe, Father had only reached the Exploration Realm and had just become able to walk through the void. Though his overbearing aura was fused with him completely, making him far stronger than other Exploration Realm cultivators, the highest realm anyone else had reached at the time was the Extreme Realm. It was simply unrealistic to expect a