"Buy One, Get One Free"

In Perfect World, who was the most mysterious? It had to be Willow God.

In the original storyline, she was Shi Hao's first mentor and the person Huang had searched for tirelessly.

She was an immortal root left over from the previous epoch who had cultivated into an Immortal King giant. Known as the Ancestor Sacrificial Spirit, her cultivation rivaled creation itself, and her combat strength shook the ages. She had once charged alone into the other side of the world, entering and leaving nine times, slaughtering the demonic gods of the Foreign Land until they trembled at the mere mention of her name. She was also close friends with Shi Hao's fourth mentor, the Master of the Forbidden Zone.

Unfortunately, the numbers of the Nine Heavens Ten Earths and the Foreign Land were badly imbalanced. In the crucial battle, the Immortal King Wuzhong and Reincarnation Immortal King were worn to death by the Foreign Land. With no one left to take over, the Nine Heavens Ten Earths fell. Willow God rose amid despair and charged into the Foreign Land with the entire world as her enemy, fighting the final battle of her life. After that brilliant splendor came eternal darkness. She perished in grief, leaving the people of the Foreign Land fearful of her even to this day.

The Ancestor Sacrificial Spirit had not truly died. (After fighting the Foreign Land, she was wounded while undergoing nirvana and was besieged by Immortal Kings of the Immortal Domain such as Ao Sheng and Tai Shi. Her dharma body was destroyed, forcing her to turn into a seed that fell into the Lower Realm and replaced Stone Village's sacrificial spirit, taking root in the form of a willow tree.) She severed her past and buried the secrets of seeking the source