Fairy and Demonic Tribulation: Twin Flowers Bloom

The twin sisters were separated from each other. One suffered cold-hearted violence and finally understood that power is the sharpest blade; the other was immersed in blood and hatred every day, and was ruthless, but could never let go of the tenderness in their hearts. In the end, she reached the pinnacle of the Nine Heavens, and she put down her killing sword, but tore off her disguised faces in front of a man. The war between immortals and demons is about to break out. Which side of the Milky Way is the destination?