Chương 422: I've Seen Everything I Need to See (1)

Perhaps to prevent the human demons from attacking from underground, the cliff above the fortress was only dozens of meters tall. The foundation below was actually 50 to 60 meters deep!

Lin Yan simply went nearly a hundred meters underground. He circled around the foundation and followed his intuition to approach Cheng Yu'er from underground.

The fortress was not small. Lin Yan kept moving forward. Just as he was halfway there, he suddenly felt his surroundings lighten. His upper body had suddenly emerged from the ground!

This place was clearly nearly a hundred meters underground, but his upper body had entered a hollow area. The surroundings were pitch-black, as if a piece of soil had suddenly been hollowed out.

Lin Yan opened his palm, and the Sun Burning True Flame lit up. When he saw his surroundings clearly, he hurriedly restrained himself and almost lit up a thick plant root.