After testing its defensive capabilities, he went on to test its offensive power.
Liu Yu was thoroughly satisfied with every aspect of this top-grade spirit artifact's performance.
"Excellent."
He nodded in satisfaction.
Then he extended his palm. With a thought, the Crimson Flame Tower shrank to the size of his hand, becoming small and exquisite as it slowly revolved, its body radiating bright red spiritual light.
After spending some time familiarizing himself with the spirit artifact's capabilities, he put it into his storage bag.
Gulp.
Liu Yu sat cross-legged, took out a Spirit-Nourishing Pill, and tilted his head back to swallow it. Closing his eyes, he began cultivating the Divine Preservation Art.
Once the pill reached his stomach, a cool sensation soon rose from his abdomen and drifted toward his Niwan Palace.
It counteracted the pain of tempering his spirit through the Divine Preservation Art, subtly nourishing his primordial spirit.
Fine beads of sweat appeared on his calm, unremarkable face, and his eyelashes trembled now and then.
Clearly, he was not as calm as he appeared.
Although the Spirit-Nourishing Pill could lessen the pain cultivation caused, it could not eliminate it entirely.
Even the faintest traces of pain originating in the primordial spirit were several times worse than physical pain.
But after persevering day after day for decades, Liu Yu had long since grown accustomed to it.
As he methodically tempered his primordial spirit, his state of mind grew increasingly tranquil, silently enduring the torment.
By the time he finished four rounds of the Divine Preservation Art, four hours had passed.
"Phew."
Liu Yu opened his ink-black eyes. Sensing how much his divine sense had grown, he frowned slightly.
Ever since his divine sense had reached eleven li, the gains from cultivating the Divine Preservation Art had become smaller and