Boom! Boom! Boom!
A thick azure pillar of light shot violently out of the Nine Heavens Azure Dragon Cauldron and soared straight into the sky.
In the sky, which had been still for an entire day, clouds gathered once more. Yet the thunderclouds that formed this time were actually azure and silver!
But as a figure charged into the thunderclouds, azure and silver light flashed. Before long, the disturbance within the thunderclouds subsided, and they gradually dispersed.
Gu Yi, bare-chested, flew back into the courtyard below. With a flash from his storage ring, a white robe once again covered his body.
Gu Yi had been in Holy Pill City for ten days.
Over those ten days, Gu Yi and Gu Yan had continuously refined pills, summoning Pill Lightning seventeen times in total.
The Pill Lightning just now had even been two-colored Pill Lightning, which only appeared when refining an eighth-tier pill!
Normally, for an alchemist of the Dou Qi Continent to refine an eighth-tier pill, their Soul Power had to reach the Spirit Realm. Only then could they grant the pill enough spirituality for it to enter the eighth tier.
However, Gu Yi's alchemy was not limited to the Dou Qi Continent alone. He had also learned the alchemy techniques of the Nine Heavens Continent and Divine Grace Continent, integrating the alchemy arts of all three worlds.
Thus, with his Soul Power at the great completion of the Mortal Realm, he had joined forces with Blood God Child Gu Yan to refine a batch of eighth-tier pills!
Gu Yi was now a genuine eighth-tier alchemist.
Refining peak seventh-tier pills posed no difficulty for him. His success rate had reached one hundred percent, leaving virtually no chance of failure.
Even his success rate in refining eighth-tier pills that summoned two-colored Pill