"What I condensed were yin-yang complementary soul cores!"
"They place stringent demands on a soul master's soul power and spiritual power. Don't attempt this lightly!"
Xia Mu explained his situation. To put it plainly, his yin-yang complementary soul cores were the product of a shortcut.
They were a tremendous stroke of fortune, achieved through unconventional means!
The Ultimate Light Soul Core was a miraculous creation born after Xia Mu consumed the Star Luo Spirit Pearl and primordial unity immortal herb.
The Ultimate Dark Soul Core had been transformed from the Dark Demon Evil God Tiger's inner core. Both had originated from external sources.
One was yang and the other yin. Together, their attributes formed a cultivation system of yin-yang complementary twin soul cores.
For anyone else, replicating it would be virtually impossible!
"Dong'er!"
"Your spiritual power has always been extraordinary, and the attributes of your twin martial souls are very similar!"
"Now that you've become a Peerless Douluo, I suggest you consider the Isotopic Resonance Soul Core Method!"
"If you succeed, you'll complete my theory. Then our names can go down in history together!"
Xia Mu followed the yin-yang complementary Soul Core Method, so he needed Bibi Dong to perfect the Isotopic Resonance Soul Core Method.
"The Isotopic Resonance Soul Core Method!"
"You need me to perfect this cultivation method?"
Bibi Dong pointed at herself. The sudden news left her feeling as though an incredible windfall had landed in her lap.
This was a tremendous opportunity to leave her name in history!
"That's right!"
"I'll be putting the yin-yang complementary Soul Core Method into practice. Your path will be somewhat different from mine!"
"If you condense Isotopic Resonance Triple Soul Cores, any soul master who practices the Isotopic Resonance Soul Core Method in the future will regard you as its