Fantasy: Get Armed Color Domineering at the Beginning

[Time travel + simulator + single female protagonist + personality changes + spiritual beast, iron-eating beast] Traveling through the mysterious world, you are surrounded by conspiracies, dangers, and murderous intent. A prophecy from heaven? Brother killed in battle? Love is hard to come by? Holy land humiliation? Oh! Once Yu Shui realized the Tao, he changed from human to domineering. He held a three-foot green blade and washed away the green mystery and turned it into black mystery.