The refining process had reached its most crucial step: pill formation. If this succeeded, the only slightly troublesome task left would be weathering the pill lightning overhead.
The surface of the medicinal liquid, now the size of a longan, rose and fell constantly. The entire mass began spinning and tumbling like a child at play.
Why could only a Spirit Realm soul refine an Eighth-Tier Pill? The key lay in the word "spirit."
Only a soul that had reached the Spirit Realm could imbue a pill with spirituality, and whether it possessed that spirituality was the foundation for becoming an Eighth-Tier Pill.
Some advanced Seventh-Grade Pills also possessed spirituality, such as the Transformation Pill Xiao Yu had refined before. But that trace of spirituality was worlds apart from what a true Eighth-Tier Pill possessed.
It could not even be considered true spirituality.
Only an Eighth-Tier Pill refined by a Spirit Realm soul could truly possess complete spirituality, which was why a lightning tribulation such as colored pill lightning would appear.
Under Xiao Yu's all-out refinement, the uneven surface of the medicinal liquid began turning smooth and rounded as it slowly condensed and solidified.
Meanwhile, the dark clouds overhead churned, gathering terrifying heavenly lightning!
"Pill formation!"
Dou Qi surged throughout Xiao Yu's body, and his soul power pressed fiercely into the Medicine Cauldron. Tempered by origin flame divine thunder, the embryonic pill took its final form.
A smooth, rounded pill appeared within the cauldron. At the same time, an energy projection of a tiny blood-colored bone dragon appeared above it, roaring furiously without cease.
An Eighth-Tier Pill possessed complete spirituality, which could already coalesce into a tangible form.
The scene before him proved that this Bone-Growing Blood-Melting Pill had fully formed.
Immediately, vast amounts of worldly energy began gathering inside the