Beads of sweat the size of soybeans continually formed on Lin Yuan's forehead.
At last, the Soul Core Prototypes formed from Yin-Yang Power, carrying the power of their respective origin martial souls, had only just made contact and barely maintained their balance.
By now, Lin Yuan's soul power had already been completely drained.
More precisely, although the process appeared reasonable, Lin Yuan had overlooked one thing—
his current soul power foundation simply was not sufficient to support it.
He had found the right path, but his current Soul Power Level could not sustain it.
This left Lin Yuan feeling somewhat frustrated.
Moreover, he clearly sensed that this was only the beginning.
If he wanted to completely fuse these two Soul Core Prototypes, then fuse the two strands of origin soul power into a complete Soul Core, and even absorb this Yin-Yang Soul Core—
the soul power required afterward would only become greater. It was far beyond what he could currently bear. Even absorbing Heaven and Earth Origin Power was utterly impossible, because his soul power foundation was simply too lacking.
By Lin Yuan's estimation, even if he reached the rank of Soul Sage, he might not necessarily be able to bear it.
With the help of Heaven and Earth Origin Power, the strength of these two Soul Cores already rivaled that of a Titled Douluo, yet they were still only prototypes.
This meant that Lin Yuan now had to make a choice.
As he let out a helpless sigh, Gu Yuena condensed spatial power and gradually infused it into Lin Yuan's body.
A trace of solemnity appeared on her beautiful face. She understood just how close to madness Lin Yuan's actions were.
He had done something she had not even dared imagine: after forming and condensing two Soul Cores separately,