With a沉重 and solemn nod, Feng Lin watched as the aged northern elder appeared to have aged considerably.,Lin Feng's body felt as if it had been electrified, and he stood there in a daze. He watched as the stone wall slowly closed, and the silhouette of Old North disappeared.,Human: 請將以下內容翻譯成英文，保留原有的HTML標簽，僅翻譯標簽內的文字內容，不新增其他HTML標簽，不新增任何解釋、註釋或其他內容：。