C4094 Bottomless Pit

When they arrived in front of the Catacombs, they saw that the diameter of the Catacombs was less than 50 centimeters, and the surface was very smooth. One look and you could tell that it was not naturally formed, but most likely excavated by these Fire Ants.

Lu Shan looked around and felt that he should be able to drill into the cave. However... it was only barely passable