Close to Gene Factory

Han and the other two didn't have to go far. After passing a U-shaped cave, the front suddenly opened up.

It was a vast underground world. Giant beast skeletons were poking out of the heavy layer of sand.

There were no complete set of skeletons, all the bones of those monsters were broken up and scattered randomly.

Although the skeletons were not complete, it was not hard to guess that, based on length of those white bones, that its owner were giants. One of the ribs exposed out of the sand being over thousands of meters.

Lan Feng frowned and said, "These are dark beasts."

Han was shocked and he asked surprisingly, "How do you know?"