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：,Alas, Old Void未能 cultivate to the level of Shadow Kill. Otherwise, when he would have killed his enemies, his shadow would have grown dim and formless, leaving no trace behind.,"There must be some secret behind this door. Perhaps the ancient hall's owner left clues within,可惜 I simply cannot open it."。
relevant： Human Race Garrison   Cultivation God Domi  Absolute Martial God  Mythology analysis,   The Daoist master is  Arhat of Humanity  Across the land, cha  The Great Demon Holm  Peach and plum bloss  Lord of Ten Thousand