The Art of Coming Invisible is an ancient Chinese work on numerology and is also the largest secret technique among the three major treasures of Qimen, Liuren, and Taiyi. Among them, Taiyi mainly focused on the Heavenly Way, Qimen mainly focused on the Earthly Way (geography), and Liuren mainly focused on Humanity (personnel).
The Qing Dynasty scholar Ji Xiaolan referred to it as The Art of Becoming Invisible in the Complete Library of Four Branches, which is the most rational number in Chinese magic.
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