The night was as dark as water.

The level 4 area is mostly valley and hilly landform, natural cave numerous. Some clans even chose a huge natural cave as their base and built a village. For example, the cave in front of them could only fit two people side by side. The tunnel behind the hole was narrow, but the further one went, the wider it became. Finally, there was an empty cavern about the size of a football field.

This cave used to be the village of a certain ...