Guān dì 關帝 — historical name Guān Yǔ 關羽 (160–220 CE), zì Yúncháng 雲長, the Shǔ-Hàn general of Liú Bèi 劉備 famous from the San guó zhì 三國志 and the San guó yǎn yì 三國演義. From the late Sòng a popular cult-deity, progressively elevated through the Yuán, Míng, and Qīng to the rank of Guān shèng dìjūn 關聖帝君 (“Holy Imperial Lord Guān”), and a tutelary divinity of warriors, merchants, oath-fellowships, and (most relevantly here) of late-imperial Daoist fújī 扶乩 cults. From the Míng-Qīng his cult is one of the principal “demon-subduing” (伏魔) divinities, with the Wàn-lì-era title 三界伏魔大帝神威遠震天尊關聖帝君, granted in 1614, fixing his Daoist-canonical name. He is the attributed planchette-revealer of an entire late-imperial corpus of moral-scripture, including KR5i0022 Yùqīng zànhuà jiǔtiān yǎnzhèng xīnyìn bǎochàn (preface), KR5i0088 Guān dì zhōngxiào zhōngyì jīng, and KR5i0089 Guān shèng dìjūn běn zhuàn. Standard reference: ter Haar, Guan Yu: The Religious Afterlife of a Failed Hero (Oxford UP 2017).