Jiǔ zhuǎn líng shā dà dān zī shèng xuán jīng 九轉靈砂大丹資聖玄經

Mysterious Scripture of the Nine-Cycle Numinous-Cinnabar Great-Elixir for Sagely Provision

Anonymous; Táng

A Táng Daoist alchemical scripture on the jiǔ zhuǎn dà dān 九轉大丹 (“nine-cycle great elixir”) — an elixir produced through nine iterative cyclings of líng shā 靈砂 (numinous cinnabar, HgS). Preserved as DZ 886 / CT 886 (Dòngshén bù, Zhòng shù lèi 洞神部眾術類).