This inevitably reminded Wu Yi of the I Ching Zhuan from the Spring and Autumn and Warring States periods.
"Change has Taiyin, which gives rise to the Two Forms. The Two Forms give rise to the Four Images, the Four Images give rise to the Eight Trigrams, the Eight Trigrams determine fortune and misfortune, and fortune and misfortune give rise to great undertakings."
Taiyin contained yin and yang. Yin and yang divided into two, hence Taiyin gave rise to the Two Forms. Taiyin gave rise to yin and yang, which then transformed into the Four Images: Taiyin, Taiyang, Shaoyin, and Shaoyang. From these evolved the Eight Trigrams: Qian, Kun, Zhen, Gen, Li, Kan, Dui, and Xun.
Though this did not come from Daoism, but from Confucius!
One yin and one yang were called the Dao; hardness and softness pushed against each other to create change. Wasn't that precisely what the Fairy before them displayed?
This was a true Daoist immortal!
Besides that, Wu Yi seemed to see behind the immortal a divine bird... with a flowery head, a white beak, and red claws, born carrying fire... moving mountains and filling the sea!
This reminded him of the myth of Jingwei filling the sea.
But... wasn't Jingwei supposed to fill the sea with small stones? Why did the illusion behind the immortal seem to show her lifting entire mountains to fill the sea...
Could it be that the real Jingwei filling the sea actually meant filling it with mountains?
Wu Yi did not dwell on it. When he saw the immortal lightly land atop the mountain, he and Wang Zheyi exchanged a glance, then hurried anxiously before her. Under the immortal's seemingly still-dazed gaze, they dropped to both knees and bowed deeply to her.
"Immortal, we wish to learn the