Within Great Scarlet Heaven, Yin-Yang fluctuated.
"Talismans gather and transform; Yin-Yang flows and turns."
Dark or bright-gold talismans flowed through Xu Xuan's hands, turning Yin into Yang and passing Yang into Yin. [Transformation] began at the tiniest point, ultimately drawing forth a [Change] in the nature of the whole.
The Most High Profound Offering Scripture lay open before Xu Xuan, its passages flowing without cease, encompassing Wonder and Constancy's four arts and the proper positions of Yin-Yang. "To transform the mysterious vapors into usable Spirit Treasures, I must first sense the Yin-Yang Golden Ranks and establish a connection above-"
After many attempts, Xu Xuan finally gained some understanding.
After he attained the Dao, the mysterious vapors within Great Scarlet Heaven could already transform Yin-Yang and separate out the most fundamental Yin and Yang qi. Yet they could not become specific Spirit Treasures, because they lacked a connection to the Golden Ranks.
Every Purple Mansion Spirit Treasure beneath heaven was, in fact, connected to a Golden Rank. Certain special ones were called Numinous Proofs, specifically representing a particular Golden Core.
Then... how could he sense the Yin-Yang Golden Ranks?
Judging by the reversal of Three-in-One, the only positions beneath heaven that could truly be sensed were those of "Lesser Yin": one principal position and three retainer positions.
"Sensing them directly is naturally impossible. Tiantuo was a Lesser Yang Great True Person with extraordinary origins, yet even when he sought the Golden Position at his final demise, he sensed nothing-" Xu Xuan slowly worked through his deductions, then raised his head toward the golden sun hanging over Great Scarlet Heaven.
[Hengyi]
The ancients spoke of Greater Yang's Three Forms and Greater Yin's four auxiliaries. Adding "Dry Yang" to Greater Yang's Three Forms yielded four forms and four auxiliaries; only then were they