I Have a Sword That Can Cut Through the Nine Heavens

The mysterious game randomly selects humans to enter the game. The protagonist gets the Human Emperor Sword and is reborn to break the fate of his previous life and enter the time-traveling mission. Jiuding suppresses the protagonist and desperately sacrifices his origin to kill Yamata no Orochi's past clone, and his own time is running out. There are blessings from gods outside China, and the orc craze is coming at the end of the world. How can we break the established fate and reach the ninth level?