Chapter 836: The value of core members, the power of Survival Ryuki, the true Earthworm Orphnoch

"About how many meters?"

Underground, Nightmare asked with an anxious tone.

Beneath the ground, Nightmare could only rely on Xun Lanyu's ability;

otherwise, Nightmare's movement underground would be quite difficult,

not as fast and agile as Xun Lanyu.

"I'm not sure exactly how many meters,"

"but we should be quite far from the surface by now,"

Xun Lanyu replied.

Although she could move freely on the ground and could roughly observe some situations on the surface,