C139 Difficulty in Drilling

"You!" Gu Fann's first thought was that the old man in front of him was playing tricks on him. He was about to flare up, but then he heard the old man say slowly: "Young hero, even if you kill me, you still won't leave this place. "So, don't be impatient!"

Gu Fann heard the old man's words and carefully thought about it. With his insignificant Innate Level