Yin Yang Rotation Gu

Description

A Rank four Gu that comes in a pair (Yin Gu and Yang Gu). The Yin Gu turns yang to yin, transforming a male into a female and lowering aptitude by 10%; the Yang Gu turns yin to yang, transforming a female into a male and lowering aptitude by 10%. Used by Fang Yuan to resurrect Bai Ning Bing and control her ten extreme physique.