C2363 Crystals

Crystals.

A moment later...

After the invasion of the gray rats, the valley seemed to have returned to peace. The people walking in the narrow pathway on the mountain slowly calmed down.

"Is this the crystal that you dug out from the gray rats' bodies? Spirit Crystal... What's the use of it? "

At this moment, Hanyu Xiaotian was playing with a transparent crystal the size of a thumb