"It's been three years, and there's still no change. He's still a useless coward. It's a waste of the latest gene drug developed by the group.",Moments later, he sighed helplessly, gently raised his arm, and looked at the faint, gray mark resembling a furnace in the palm of his hand, muttering to himself.,For Jiang Yan, this was simply the start of a hell-level dungeon!。