The Yin-Yang World-Locking Formation was a powerful sealing formation.
On the Heavenly Origin Continent beneath the Nine Heavens, once this grand formation was laid down, it could seal the void, imprison space, and form a realm of its own.
Cultivators trapped within it would also come under attack from its yin-yang strangling power.
Aboard the Yin-Yang Sect's Star Sea Divine Vessel, the four Void Insight Realm experts heard Lin Fei's words. Far from being afraid, they sneered.
"I was wondering which great power you belonged to. So it's only the Chai Family."
"Among the many Nine Heavens Hidden Clans, the Chai Family ranks only in the third tier. Not only do they lack a Celestial Immortal to oversee them, they apparently don't even have an Earth Immortal."
"Heh, for this expedition into the Dark Starfield, our sect granted us two Human Immortal Incarnations for protection. When those two incarnations use the Yin-Yang Combined Strike Art, their strength is no less than that of a Human Immortal arriving in person. Why should we fear the insignificant Chai Family?"
Lin Fei had deliberately impersonated a member of the Chai Family to show weakness to his enemies.
Had he claimed to belong to the Tang Family, they would likely have braced themselves for a formidable enemy and kept their guard up.
The Yin-Yang Sect cultivators offered no reply. Instead, they answered with an attack.
The barrier formed by the Yin-Yang World-Locking Formation.
It resembled a yin-yang taiji sphere.
Yang lay above, yin below.
But the yin and yang eyes were reversed: the yin eye was above, while the yang eye was below.
At the extreme of yang, yin was born; at the extreme of yang, yin was born.
This was the principle of yin and yang giving rise to one another.
The yin