The Nine Grotto-Heaven Method sounded simple, but successfully cultivating it was extraordinarily difficult.
If one's will was not firm enough, it would collapse instantly when the Nine-Colored Divine Light opened the Nine Grotto Heavens, reducing one's consciousness to nothing.
If the essence of the Sovereign Over Nine Heavens Dharma Form were not this powerful, it could not sustain the magical power required to open the Cave Heavens.
One also had to comprehend nine kinds of Great Dao True Intent and attain a sufficiently profound understanding of them.
One also needed nine spiritual veins, each over a thousand li long, to provide an endless supply of spiritual qi to refine.
Failing to meet any one of these requirements would cause the opening of the Nine Grotto Heavens to fail.
As the eight subsidiary Cave Heavens opened, the essence of his primordial spirit split into nine portions. The pain of his soul essence tearing apart continued unabated, growing ever more intense.
"I have to hold on!"
Lin Fei clenched his teeth, blood constantly seeping through the gaps.
Under this extreme agony of the soul, his physical body also endured tremendous torment and pressure.
His martial primordial spirit seemed to sense that his body was on the verge of collapse. It released its essence power, sending it flowing along countless golden threads to nourish his body and ease his pain.
Although it could not suppress the agony of his soul splitting apart, it was better than nothing.
Rumble! Rumble! Rumble!
His core sea of consciousness merged with the power of the void, constantly expanding.
The eight newly opened seas of consciousness also grew rapidly, nourished by the power of the void and his primordial spirit essence.
The process was excruciatingly slow, consuming enormous amounts of magical power every second.
The spiritual qi of