In the world of immortality shrouded in eternal twilight, Le Yao was once the "Saint Tianxuan" respected by thousands of people, but due to a conspiracy, she was slandered as the "Daughter Abandoned by Heaven". Her spiritual roots were destroyed, she was expelled by her sect, and she fell into the bottom of darkness. Just when she was dying in the refugee cave, a cold mechanical voice sounded in her mind - the "Destiny System of All Heavens" was successfully bound. The first mission released by the system is [Save millions of refugees and break the eternal twilight]. The penalty for failure is obliteration. At the same time, Sword Master Feng Yi came to the edge of the Twilight Kingdom holding the ancestral "Darkness-Eating Sword" in order to pursue the truth about breaking through the darkness. He witnessed the last lighthouse being extinguished, and also saw the woman among the refugees, whose eyes gradually turned from despair to a glimmer of fire - Le Yao. He saw that she was not ordinary, her soul was unusually bright in the darkness...