C212 The History of the Demon Cave

"Of course, what happened there?" Lee Mo asked.

Su Zhenghai explained, "For the past three years, the Su family has been using the Blood Jade Mine and the Profound Mining Technique to develop many outstanding individuals. Of course, this matter is the clan's most closely guarded secret, unknown to anyone outside. Not long ago, while we were mining, a vein unexpectedly collapsed, revealing a cave