Zhang Yuan stopped just as he was about to fly away, reached out to pinch that wisp of soul power between his fingers, and examined it. With a slight stir of his will, he acted.
He circulated the Great Qian Primordial Soul-Refining Scripture.
The wisp of soul power was instantly refined into pure magical power.
"It can be refined, and... the efficiency is very high."
Sensing the additional wisp of magical power within his Golden Core, Zhang Yuan's eyes brightened slightly.
After cultivating the Qi Refining to Immortality Path to the perfection of the Golden Core Realm, breaking through to the Nascent Soul Realm required further accumulation of magical power to shatter the limits of perfection and allow the Primordial Spirit to give birth to a Nascent Soul.
Although breaking through to the Nascent Soul Realm required no further Tribulation Lightning, the process was extremely slow. Even Outer Dao cultivators blessed with a Heavenly Spirit Root or an Immortal Spirit Root needed some time.
Zhang Yuan had originally intended to set aside a month or two for secluded cultivation after reaching Roselight Capital, but now, a ready-made opportunity for a breakthrough seemed to have appeared.
The Great Qian Primordial Soul-Refining Scripture could refine souls into cultivation. Though a single wisp of soul power yielded little magical power, Demons and Evil Ghosts were everywhere here.
"If all these Demons and Evil Ghosts have souls..."
At that thought, Zhang Yuan acted without hesitation. He formed a giant hand of Golden Core Realm perfection magical power with his right hand and seized a floating corpse from afar.
He crushed it on the spot.
The floating corpse's Remnant Soul drifted out, and Zhang Yuan refined it in an instant, gaining another wisp of magical power toward his Nascent Soul Realm breakthrough.
"Just as I