Duan Tianya sighed heavily, his expression growing even more somber.
"Uncle Master, what are you talking about?" Zhao Sinin asked, barely containing his anxious curiosity.
"This barrier was accidentally discovered by our predecessors at Zhengying Academy nearly ten thousand years ago. They speculated that it was formed when countless experts from the Ancient Era fought to the death, and their cultivation didn't immediately disperse into Heaven and Earth Qi. This was due to the right time, location, and some other opportunities.
