elp but feel depressed that he had bought a secret art with little practical use. 。But what came next made him even more depressed. 。"Well, the Dan Yuan Refining Art is indeed rare, but if you could...轉碼失敗！請您使用右上換源切換源站閱讀或者直接前往源網站進行閱讀！atch the dragon bone. A surge of mana flowed into it, causing a brilliant light to erupt and envelop the surroundings. A long, resonant dragon roar echoed through the air, accompanied by an awe-inspir...