If this tribulation and treasure refinement had greatly benefited the Celestial Master Sword, then for Nether Capital, it had been a complete rebirth. A rebirth in the truest sense.
This flying sword owed its creation to the Daoist's unique understanding of yin and yang. When he had still been a minor Second Realm cultivator, he had obtained the Yang Sword, Peach Capital, and tempered it within his Left-Eye Yang Palace. Naturally, he had conceived the idea of refining a Yin Sword to match it. Back then, he had thought of the Blood God Sect's method of refining flying swords from bone and blood.
Created by Blood God Child, this flying sword refinement method combined the essence of Xuanmen flying swords with the Demon Path's exquisite use of bone and blood. It brought together the finest of both and was indeed distinctive. Yet the Daoist came from an illustrious school; he had had other considerations in borrowing the Blood God Sect's method rather than using his inherited sword-refining method.
Although this method incorporated the principles of the Demon Path and used bone and blood as its base materials, those materials could be taken from the practitioner's own body, leaving the Daoist without misgivings. As for the restriction that devoured others' marrow and vital essence after killing them, he had never used it. His interest in bone and blood at the time had also been connected to the Pure Yang Method, "Ancestral Teachings of the Great Unity Golden Flower". Back then, many of the secret arts in the Pure Yang Method he practiced required him to refine away every trace of yin dregs in his body, which had put him in a quandary.
The Daoist believed that the human body possessed both yin and yang, neither dispensable. Pursuing extremes had never been