atural cave, empty inside. ...Fang Yu walked into the cave, sat down cross-legged, and took out the immortal king's heart from his storage bag.This heart, it's still beating violently.Fang Yu pressed...intricate.The paths, one after another, were like a maze.Walking down the corridor, one could only hear the sound of their own footsteps.And the floor, walls, and ceiling were all composed of a grayis...