When Zuo Yurong sensed the Heavenly Mother Mirror's presence cut off, he knew something was wrong.
The Great Light Heavenly King Mirror in his hand and the Heavenly Mother Mirror were originally a pair, which allowed them to resonate with and sense each other even across a thousand li.
As a guardian elder of the Yin Yang Dao, Zuo Yurong was already over ninety, but he looked like a middle-aged man.
He placed great importance on his disciple Fang Yunzhen.
The Yin Yang Dao's cultivation methods all had various restrictions. Borrowing the power of believers allowed for rapid progress, but left an unstable foundation.
Very few people could cultivate to the Fourth Rank, and even fewer could become compatible with the Heavenly Mother Mirror while cultivating the Yin Yang Reverse Dao Scripture to an extremely high level.
Fang Yunzhen needed only to take one more step. By absorbing her believers' power of faith and receiving the Great Darkness Heavenly Mother's blessing, she could reach the realm where yang was born at the extreme of yin.
Then Fang Yunzhen could reverse the state of her body, changing from an old woman into an eighteen-year-old girl.
Such a reversal was a devilish path that defied the heavens. It could not be sustained for long before she fell into complete decline.
Before that decline, however, Fang Yunzhen could reverse yin and yang to raise her vitality to its peak, while also harboring a profound Qi of inverted yin and yang within her.
Zuo Yurong intended to seize this opportunity to take all of Fang Yunzhen's vitality and soul, master the ninth level of the Yin Yang Reverse Dao Scripture in one stroke, and thereby advance to the Second Rank.
Fang Yunzhen knew only the first half of the Yin Yang Reverse Dao Scripture,