After Wei Wuxian's death, the sword was sealed shortly after Wei Wuxian was reborn. After Wei Wuxian was reborn, he wanted to return to his side, but Mo Xuanyu's physical strength was too low and he could not use himself, so he turned into a human form due to his obsession. However, King Gusu's Jealousy had indescribable feelings for the human form and wanted to find a Taoist companion for him. Bichen also made some moves at this time.
Concept: The emotions generated by Sword Spirit