The Yue Tangshan in the original book is a vicious female supporting character who made herself disgraced in order to learn martial arts, and later made the heroine disgraced for the sake of the male protagonist. Later, Yue Tangshan just wants to use the sword in her hand to fight for a way out for the people she loves.
Concept: Swords are cold, but in the world of martial arts, besides swords, there are also people. People are warm.