C407 Black Shadow

Hualala!!

The deeper they went, the deeper they went into the cave. That sound like water. It kept echoing in Lei Yan's and Lei Yan's ears. However, the echo made the hearts of the two who were walking slowly rise once again.

Awoo! Awoo!!

Finally, as the sound of the crashing sound became increasingly clear, the expressions of Lei Yan and the other person changed