C574 In the End Liu Yiyi Still Didn't Know How to Use It

"If you guide it in the right way, then this stone can increase a person's telepathy"

At this point, Lau Yiyi suddenly stopped.

Her eyes lit up, and then she looked at Ye Feng with a smile.

"By the way, you don't know what mental strength is, right?"

"I accidentally found it in an ancient book. Do you want to know what spiritual energy is?"

"Then please ask me. I am in a good mood today