The first artifact of Hualian is the key, which has the power to liberate the artifact and fully awaken the artifact. He put this artifact on himself. Liberated his second artifact (because he is the "son of chaos" born by the fusion of tears dripping from Xia Ling's eyes observed by Hong Jun, the heart is the tears of Hong Jun, and the body is formed by chaos, which is equivalent to the existence of Hong Jun's son. ) So there is a second artifact.