C871 Crazy Crystal Beast

"What is down there?"

Before Ding Changshun could finish his sentence, the leader of the Sea Serpent Tribe interrupted him.

"There are sleeping crystal beasts in the Yin Crystal mine. Normally, they won't wake up. However, every once in a while, they will wake up and devour a large amount of Yin Crystal. Then, they will continue to fall into a deep sleep. I don't know what's going on