Within Thousand-Peaked Mountain, countless bubbles of varying sizes floated silently in different areas.
They shimmered with multicolored light, each emanating an eerie, mysterious aura of tribulation.
The Overturning Sky Boat carrying Su Yi and Cai Gou quietly shifted through the air, speeding toward the depths of Thousand-Peaked Mountain.
They had only traveled several thousand zhang when a black bubble as large as a millstone in the distance suddenly trembled.
The tribulation aura surging within the bubble roiled like a flood.
As this bubble stirred, more than ten bubbles of varying sizes within a hundred zhang nearby also began to tremble.
At once, wave after wave of mysterious restrictive formation auras emerged, crisscrossing through the void and weaving layer upon layer like an invisible spiderweb, sealing off the road ahead!
Had Su Yi not stopped the Overturning Sky Boat at the crucial moment, they would have nearly crashed straight into it.
But that was not the end of it. The restrictive formation aura that had quietly emerged began spreading without cease, like a spiderweb constantly swelling larger, at astonishing speed.
As it spread, more bubbles began to stir. In an instant, restrictive formation power churned and shifted everywhere throughout the surrounding regions!
And the void where the Overturning Sky Boat stood was about to be caught up in the restrictive formation power as well!
Cai Gou's eyelids twitched wildly, and his heart rose to his throat.
It was said that this killing formation laid down by the Karma Calamity Lineage could effortlessly slay Dao Ancestors. If they were caught up in it, how could that possibly end well?
Even Su Yi had not expected this killing formation to be like a living creature, changing at every moment!
"We can only risk it!"
Determination flashed in Su Yi's eyes as he abruptly