Qinglong Hui did not just hear about the Asura Prophecy Record from one thousand and five hundred years ago for the first time, but he had heard only some parts of it from Qinglong Bai himself.
However, many years ago, when Qinglong Hui heard this, he did not dare to ask Qinglong Bai any more questions and only remembered its details. Qinglong Hui had inadvertently let the words slip out of his mouth once when he first learned that Leng San was the last heir of the Leng Family (Chapter 649).
"Asura’s Prophecy Record... Year Eight-thousand-seven-hundred-and-seventeenth...
The Dragon Dynasty faces a monsoon. One of the ten Dragon Legs is suddenly twisted. Three fierce beasts aim at its deadly point, meaning to devour it as a whole. The Dragon Dynasty Overthrower will appear in one thousand and five hundred years under the name of... Leng San.