Within his Natal Essence Blood lay a vast amount of natal vital energy—put plainly, a vast amount of essence.
Thus, merely forging a single Spirit Sword had already left Su Mo feeling unable to bear it.
"Let's rest first!" Su Mo sighed and could only stop for the time being.
Then, he searched through the countless Storage Rings on his person for a while, found some spiritual medicines such as ginseng that replenished vital energy, and swallowed some.
Only after resting for over an hour did Su Mo begin forging the second Destined Spirit Sword.
With the experience of succeeding the first time, Su Mo forged the second Spirit Sword with far greater ease, and it was soon successfully completed as well.
In truth, Su Mo possessed Ou Lianzi's Artifact Refining Inheritance. So long as he did not make any major mistakes, he would basically not fail in his forging.
The third sword succeeded!
The fourth sword succeeded!
The fifth sword succeeded!
Each time he forged a Destined Spirit Sword, Su Mo had to rest for over an hour. Yet even so, his body became increasingly unable to withstand the strain. Every drop of Natal Essence Blood depleted a portion of his vital energy.
When Su Mo forced himself to forge seven Destined Spirit Swords, he could no longer hold on and dropped onto the ground with a thud.
Huff, huff, huff!!
Breathing like a bellows, Su Mo panted heavily, mouthful after mouthful.
Then, Su Mo lay directly on the ground and fell asleep. He slept for a full day and night before awakening.
After swallowing some more heavenly treasures that replenished vital energy and recovering for a while, Su Mo continued forging.
Three hours later, the remaining two Destined Spirit Swords were also forged.
At this point, all nine