Back then.
Demoness Burning Heaven carried time path injuries. Having learned of Hei Fan's time path inheritance, she pinned her hopes on it.
Thus, Demoness Burning Heaven began laying out her plans. She took control of the Su clan, had her third sister assume the alias Su Xian'er and deliberately approach Hei Cheng, then entered the Hei clan along with him.
Hei Cheng and Su Xian'er fell in love. Both became Gu Immortals, and Su Xian Night Escape became a much-told tale for a time.
Su Xian'er had not forgotten her mission. She gathered intelligence and investigated Hei Fan's inheritance, gradually exposing herself in the process. The Hei clan launched an investigation, which eventually traced back to Fairy Lishan, causing them to mistakenly believe it was a Great Snow Mountain plot.
Yet Su Xian'er had truly fallen in love with Hei Cheng and did not leave the Hei clan. Later, Hei Cheng secretly killed Su Xian'er to extend his own lifespan.
When they learned that their third sister had perished, Demoness Burning Heaven and Fairy Lishan were consumed by grief.
Fairy Lishan blamed Demoness Burning Heaven, believing that she had caused their third sister's death. Afterward, Fairy Lishan completely fell out with Demoness Burning Heaven.
Demoness Burning Heaven was filled with guilt and regret. However, her severe injuries prevented her from taking revenge. She was also the leader of the Northern Plains Corpse Alliance and could not act as she pleased, so she could only travel far away to Eastern Sea.
She passed through the regional wall and came within a hair's breadth of death.
In Eastern Sea, following clues she had gathered in Northern Plains, she gradually found several opportunities. For example, part of the inheritance left behind by Old Immortal Kong Jue gave Demoness Burning Heaven a method