```
A rustling sound came, and several jade slips were thrown out.
"Why are there jade slips?" Ning Cheng, not understanding, found the presence of jade slips strange.
"I heard from my master that once you cultivate to the point of having Divine Sense, you can inscribe things onto jade slips. The things inscribed with Divine Sense can hold many times more content than what is written on parchment. However, these things can only be seen if you have Divine Sense; otherwise, they're invisible," An Yi whispered to Ning Cheng.
Fang Yijian's voice came with a hint of scorn, "This little girl is right. The information contained in jade slips is many times more than what you've seen in those books."
Only then did Ning Cheng realize his blunder and quickly gathered up the jade slips, asking, "Is there anything else?"
