Vast amounts of immortal power continuously came into being, soaking into Li Su's flesh.
Faced with this higher-tier energy that far surpassed mana, Li Su's body could not stop trembling as his flesh and blood underwent rapid transformation.
Normally, when a cultivator ascended to immortality, their primordial spirit would be too powerful, and the immortal power born from it would be beyond imagination. Under such circumstances, the physical body could no longer endure it and would instead be tempered by immortal power, transforming from matter into energy.
But Li Su was different. His physical body had already reached the Golden Core level, and after being tempered by the Nine Tribulations Scripture, it had likewise reached its limit.
However, it was somewhat different from his primordial spirit.
His body had not taken that final step. Instead, it had come to a complete standstill. No matter how much energy or nourishment was supplied, it showed no response whatsoever.
Even the lightning tribulations cultivated through the Nine Tribulations Scripture could only be absorbed by his body, unable to improve it in the slightest.
His entire being had been stuck in place, as though it had hit the ceiling and could go no further.
Now, things were different.
As his primordial spirit transformed, his power rose beyond mana and converted into immortal power. His body, which had remained still for so long, finally reacted and began devouring immortal power in great gulps.
Li Su was somewhat surprised by this result, but quickly accepted it.
He drew in a light breath and allowed his body to continuously seize immortal power until it was completely satisfied.
A quarter of an hour, two quarters, three quarters.
Only after a full hour did his body finally have its fill and cease drawing in immortal power. Then, an even