chapter 597 The strange underground world

Wu Bei's heart moved: "Where?"
Hu Nantian: "I think you have also seen that I am a human immortal like you. Since I came out of that place five years ago, I have aged very quickly. In just five years, I have already exhausted my energy."
He paused and continued, "That place was discovered by our people while they were digging a missile silo. I rushed to the scene as soon as possible and took a few followers inside. It's very big inside, an underground world. The ground is full of...