The Ninth-grade Mysterious Pill-level Lightning Tribulation Pill was complete!
Looking at the slightly uneven golden pill, Lin Feng immediately revealed a delighted expression.
Although refining this Lightning Tribulation Pill was much easier than ordinary pill refinement aside from having to deal with the lightning,
no matter what, he had successfully refined a genuine Ninth-grade Mysterious Pill!
And this also meant that his pill-refining skills had reached that level as well.
Boom!
However, not long after, as the pill inside the fire cauldron became increasingly round and smooth under the flames' scorching heat, a tremendous rumble suddenly came from the sky above the cauldron. Immediately afterward, the sky began to churn wildly.
As the heavens roiled, thunderclouds gradually gathered overhead.
Strands of pitch-black lightning, like giant dragons swimming through the clouds, surged and darted within the thunderclouds, appearing and vanishing intermittently.
"Dan Thunder... Looks like it's done."
Rather than worrying at the sight of the terrifying Dan Thunder, Lin Feng instead smiled.
Because he knew that Ninth-grade Mysterious Pills differed from ordinary pills.
When facing terrifying Dan Thunder, pills of this grade not only did not require their refiner to painstakingly defend against the lightning, but had to undergo its tempering in order to be born perfectly.
Thus, at this point, this Ninth-grade Mysterious Pill no longer required any further intervention from Lin Feng.
He merely needed to remain where he was and quietly await the final result.
The thunderous roars, like the low growls of giant dragons, continued for about ten minutes. Then, amidst an explosive crash, a thick bolt of lightning identical in color to the surrounding pitch-black Void descended straight from the clouds above and struck the golden pill within the fire cauldron with brutal force.
Boom!
The Dan Thunder descended, and in an instant, terrifying thunderclaps rang