Looking for Immortals in the Snow

Millions of years ago, the suanni beast Wu Huan and the roe deer cried in the wind to fight for the fairy Mu Ruoqing, who was sealed by the four divine beasts into extremely yin black iron, and the fairy was killed by Wu Huan... Millions of years later, part of the animal spirits of Wu Huan and Xing Feng were reincarnated as humans, and part of them attached themselves to black iron and were forged into two rare swords. As luck would have it, Mu Ruoqing was reincarnated as a twin in this life. Grudges from the past life, love in this life, Medicine Immortal Valley, Heart Punishment from All Directions, Realm of Virtual Breath, Five Ridges Illusion Gu... She keeps retrieving the memories of her past life, how entangled are they when they meet? Swords are forged with blood sacrifice, and the one who wins the blood sacrifice wins the world. Wuhuan cries in the wind, Luo Chen and Yin Shaohan, where should she go in this life...