"There's a high probability we'll run into them," Sean Knight said. "Since those people found this place, they must have their sources. Maybe they'll find the treasure before us."
In fact, Sean wasn't too worried, at least they were in the dark, and the others were in the open.
Anyway, they had the advantage now.
After eating, the four of them took out their guns, moving carefully forward.
"Did you guys notice, we seem to be going downward!" Elijah Hastings suddenly said.
"Indeed, we're going deeper- look, the water level of this subterranean river has gotten much deeper." Douglas Cooper also noticed.
"It could also be that the terrain above has gotten higher, this might be a mountain or a hill," Sean Knight said, "But there's no need to worry, even if this is a dead end, we can simply turn back."
They walked for another hour before stopping.
"I can't believe the source of this underground river is like this!"
