Boom!
The Nine Heavens Galaxy Furnace shuddered violently, and an incomparably fierce power erupted within it.
The half-liquid, half-solid mass of medicinal essence kept surging.
The strength of this power had already reached the early Human Immortal realm.
An ordinary cultivator at the perfect Void Insight realm would never have been able to suppress this terrifying power on the verge of running wild.
The pill would be destroyed and the furnace would explode. That was the only possible outcome.
Fortunately, Lin Fei was no ordinary Void Insight realm expert.
Although he was only at the late Void Insight realm, the diameter of his Cave Heavens had doubled, reaching three hundred kilometers.
For an ordinary cultivator at the perfect Void Insight realm, the maximum diameter of a Cave Heaven was only around one hundred kilometers.
In terms of area alone, each of Lin Fei's Cave Heavens was nine times the size of an ordinary perfect Void Insight realm cultivator's.
And he possessed nine Cave Heavens.
As long as he accumulated the magical power sources of all nine Cave Heavens to their limits,
his magical power alone would equal that of nine times nine—eighty-one ordinary perfect Void Insight realm cultivators.
His vast magical power stood unrivaled beneath the heavens.
And this was only the late Void Insight realm. Once he broke through to the perfect Void Insight realm, he would become even more terrifying.
"Nine Grotto Heavens!"
Nine spatial vortices appeared above Lin Fei's head, opening his immense Cave Heavens.
The Sovereign Over Nine Heavens Dharma Form commanded his vast magical power sources, suppressing that terrifying, utterly berserk power.
No matter how the half-liquid, half-solid medicinal power surged and changed, it could never break through the suppression of his magical power.
"Hmph. With my current cultivation, even without relying on any magical