" Nine Yin Scripture " was a legendary martial arts novel. The original text had not been publicly published or passed down, so only the description and imagination in the novel could be used as a reference. In the novel, the Nine Yin Scripture was an extremely mysterious martial arts manual. It was said that it contained the essence of all things in the world and the way of martial arts. If one practiced it to a high level, they could master the power of heaven and earth and achieve the effect of being invincible in the world. The descriptions in the novel included: - The content of the sutra was extremely complicated, including various martial arts techniques and secrets, such as the Nine Yang sutra, the Sinister sutra, the Poison Hand sutra, and so on. - The method of making the scripture was extremely mysterious. Only a true martial arts master could make it. Moreover, certain rules and rituals had to be followed in the process of making it. - The scripture had a unique spirituality and sensing ability. It could read the thoughts and will of the holder and even affect the holder's martial arts and fate. Due to the uniqueness and mystery of the Nine Yin Scripture, the description of it in the novel was full of imagination and fantasy, so the original text was not explicitly told.