With a沉重 and solemn nod, Feng Lin watched as the aged northern elder appeared to have aged considerably.,Not knowing how long he stood in place, the gaze of Lin Feng finally moved. His eyes closed slightly as he took a deep breath, and a mournful sigh echoed throughout the ancient hall.,"There must be some secret behind this door. Perhaps the ancient hall's owner left clues within,可惜 I simply cannot open it."。