She is the Lone Star of the Heavenly Evil, and he is the Netherworld Demon Lord. They should have fought each other to the death, but they were bound by a "Watching Moon Bell" for thousands of years.
Xingwan thought that Mo Yuan was a prison for her, but she didn't know that he was the wick that blocked thirty-three thunderbolts for her;
Mo Yuan thought that Xingwan was doomed, but he didn't know that her blood could repair his broken soul.
When Qing He's shackles of heaven shattered the bell body, when Liu Xia's Phantom Moon Butterfly uncovered an old murder case,
She used her body as a cauldron to reshape her spiritual veins, and he used his bones as a guide to burn all the false ways.
In the snow, next to the familiar set of footprints, the broken moon bell suddenly made a clear ring...
Intention: Break the fate of heaven and protect the new life of the six realms.