Yellow Gold Relic Gu

It is a thumb-sized round pearl, golden all over, giving off a faint golden luster. ^{ch. 358} Relic Gu are sphere-shaped mortal Gu, thumb-sized, with an ordinary appearance; rank four yellow gold Relic Gu is in that series. ^{ch. 1796}

It can directly raise a rank four Gu Master’s cultivation by a small realm. Fang Yuan’s activation turns the Gu into a golden ray of light that enters his aperture; after Spring Autumn Cicada conceals itself, golden light covers the aperture and cleanses the walls, and by dawn he is at rank four middle stage. ^{ch. 358}

Market talk in Shang clan city prices yellow gold Relic Gu at close to three hundred thousand primeval stones, above green copper, red steel, and white silver Relic Gu. Relic Gu are natural Gu and cannot be refined by Gu Masters. Even with four hundred and twenty thousand stones on hand, Fang Yuan could not afford two of them. ^{ch. 278} In Shang clan city the supply is heavily controlled: white silver Relic Gu sell normally, while yellow gold Relic Gu stay rare and often with higher-ups; Shang Yan Fei keeps clan stock out of the open market. ^{ch. 351} No cited chapter names a food for yellow gold Relic Gu.

At rank four he wants a yellow gold Relic Gu, but Shang clan city stock stays out of reach even with a purple thorn token. ^{ch. 351} He receives one as a reward in King Xin Inheritance and activates it on San Cha Mountain, advancing to rank four middle stage overnight. ^{ch. 358}

When land spirit Ba Gui opens the stores tied to Second Aperture Gu, Fang Yuan counts over ten yellow gold Relic Gu beside eight purple crystal Relic Gu and judges that using those stores would push him to rank five peak stage within moments. ^{ch. 378}

The mortal line runs from rank one to rank five as green copper, red steel, white silver, yellow gold, and purple crystal Relic Gu, and they are mortal Gu with no rank six or higher Immortal Gu form. Green copper, red steel, and white silver Relic Gu are widely sold; yellow gold and purple crystal Relic Gu are tightly controlled in the mortal market. In treasure yellow heaven, rank one to three Relic Gu sell in batches, while yellow gold Relic Gu stay few. ^{ch. 469}

Fang Yuan gives Chang Ji You a yellow gold Relic Gu said to be enough to reach rank four peak stage, plus a purple crystal Relic Gu for rank five progress. Chang Ji You later sits and takes a yellow gold Relic Gu into his aperture, and after three days of using all the Relic Gu left for him he reaches rank five upper stage. ^{ch. 589}

Mortal markets at best circulate white silver Relic Gu; yellow gold Relic Gu stay controlled and rare with higher-ups, while treasure yellow heaven still has few of them. Relic Gu can only form naturally; Gu Immortals, including those of Lang Ya blessed land and Heavenly Court, cannot create them, because they are human path Gu worms that form more readily where many humans or variant humans live. ^{ch. 1796}