C488 The Three Crossing of the Heavy Water

Soon, a little snake ran into the cave.

When the little snake saw Zhang Nan and the others, it didn't attack them. Instead, it ran out of the cave.

"Oh no, we can't stay here anymore. We have to leave this place as soon as possible."

Lan Qing immediately said when she saw the little snake leave.

"What happened?"

Zhang Nan looked at Lan Qing and asked in confusion