C680 Cripple Spirit Stones

"Professor Zhong, your lab security isn't good! Aren't you afraid of being stolen?"

Cripple Spirit Stones were very important to Lin Han.

And the security of Zhong Cheng's laboratory is too poor.

There was not even a gatekeeper.

"These energy stones are very important to me as well. However, I have studied them for more than ten years, and I don't have any research funding