Wèi Bóyáng qī fǎn dān shā jué 魏伯陽七返丹砂訣
Wèi Bóyáng’s Instructions on the Seven-Reversion Cinnabar
attributed to 魏伯陽 (Wèi Bóyáng); annotated by 黃童君 (Huáng tóng jūn)
A Táng alchemical instruction-text on the “seven-reversion cinnabar” (qī fǎn dān shā 七返丹砂) — an elixir produced by seven iterative reversions of cinnabar — attributed to the Cān tóng qì 參同契 patriarch 魏伯陽 and annotated by the Táng Daoist Huáng tóng jūn. The attribution to Wèi Bóyáng is pseudepigraphic. Preserved as DZ 888 / CT 888 (Dòngshén bù, Zhòng shù lèi 洞神部眾術類).
Dating. Táng. Dynasty: 唐.