Heavenly Demon of the Ultimate Way.

Summary

Lu Sheng returns to his cave and focuses on the Three Yin Method, discovering it is recognized as a martial art by his modifier. He learns about the sect's taboos from Senior Sister Kako, including the dangers of the Demon Pool, the Secret Arts Hall, and unmarked caves, which are filled with demonic energy. Despite the risks, these places offer potential for cultivation. After their discussion, Lu Sheng practices the Three Yin Technique and later explores the library, where he finds a book detailing the significance of the Divine Weapon Demon Blade in the Great Song Dynasty's history and military power.

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