Put down the cultivation technique, Lin Feng flipped through the two manuals of martial arts again.,When Old Void leaves, apart from Lin Feng, no one else knows about this place. These things are just sitting here useless, so it might be better to take them with me. If something happens to him, these combat techniques left in this ancient hall would be a waste.,"There must be some secret behind this door. Perhaps the ancient hall's owner left clues within,可惜 I simply cannot open it."。