A small book of writings and talismans, composed by Sangjenim on January 1, 1909, at Ahn Nae-seong’s house. The Daedumok can draw upon this book’s talismans to exercise authority over the spirits of heaven and earth.

Regarding the title, a hyeonmu is a sacred, mysterious animal often depicted with a tortoise shell and a snake’s body. It represents the direction north, which corresponds to the water element and the numbers one and six. Gyeong means “book” or “scripture.” See also “Daedumok.”