The Black Tortoise Demon King had seen Gao Xian slaughter White Azure Dragon with his own eyes, and he had truly been frightened.
It was not that he lacked courage; it was that even the mighty White Azure Dragon had failed to withstand two moves. He had practically been blasted to death the instant they met.
Such methods were simply unfathomable, beyond gods and ghosts!
The Black Tortoise Demon King had lived for tens of thousands of years and seen countless powerful figures. Even Three Tribulation experts who had condensed the three flowers of essence, qi, and spirit had never inspired such awe in him.
After that battle, the Black Tortoise Demon King never wanted to encounter Gao Xian again.
If not for the formidable spatial restrictions of the Jade Firmament Blessed Land, which prevented him from directly using a teleportation talisman to leave, he would have fled long ago.
Yet the more one feared something, the more it came to pass!
A violent spatial tremor within the Yellow Springs Underground Palace brought the Black Tortoise Demon King face-to-face with Gao Xian.
More precisely, they were in separate spatial passages, but the two passages had intersected.
The two were actually about a hundred li apart.
The moment the Black Tortoise Demon King saw Gao Xian, he turned and fled. At this desperate juncture, he could no longer care about the filthy qi and activated the Yin Yang Wheel with all his strength.
The overlapping black-and-white light wheels summoned by his pure-yang divine consciousness flashed in unison, as did the essence wheel behind his head.
Yin Yang mana gathered into an escape light, slicing through space and the almost tangible filthy qi, propelling the Black Tortoise Demon King forward like a shooting star.
The Yin Yang Wheel was not merely an