Bei Feng's worry was not without reason. Nobody knew what the deal was with this underground space, or how it came to be. A faint tremor would travel over at intervals, causing one to feel more jumpy.
The group did not speak, and traveled silently down the path. The only sound was the sonic boom caused by their speed.
"From this point onward, we can only rely on ourselves to explore this place. From the ancient records, there are a total of one Void Gu realm cultivator and 19 Controlled Dan Heavenly Experts gone missing in this place. As for Xiantian experts, the skeletons of these experts are uncountable," the leader of the 12 Kunlun Devils said in a heavy tone. The numbers he gave were extremely terrifying.