Above the azure sky, not a single cloud stretched for miles. Given the terrain around Burning Flame Valley, clouds rarely formed there anyway, aside from the black volcanic smoke that lingered endlessly throughout the day.
However, a special grand formation had been set up within Burning Flame Valley's mountain gate. No black smoke could drift into the skies above this area, leaving the heavens as clear as an enormous sapphire.
"Whoosh, whoosh, whoosh..."
Suddenly, the energy of heaven and earth inside and outside Burning Flame Valley's mountain gate stirred. Numerous Burning Flame Valley disciples and elders were alerted, hurriedly leaving their stone towers and palaces to look up at the sky.
High above, vast amounts of heaven and earth energy gathered together, forming a slowly revolving mass of black clouds. Lightning flickered and danced within them, while wave after wave of heavenly pressure descended from the heights, weighing heavily on everyone's hearts.
"Pill Tribulation?"
Tang Zhen stood with his hands behind his back. Drawn by the disturbance, he gazed toward the guest courtyard in the distance, deep in thought.
On the small plaza within the courtyard, one of the nine alchemists participating in the Pill Battle—a white-haired old man—watched the Tribulation Cloud overhead with excitement. "Haha, I succeeded! This old man is the first to finish refining his pill!"
The five Sixth-Rank Alchemists hurried over to watch, staring up at the Pill Tribulation with faces full of envy. Only Seventh-Rank Pills could trigger a Pill Tribulation. They did not know whether they would ever have the chance to summon one in their lives, even just once.
Xiao Yan was still refining his pill. He had chosen the most difficult Six Meridians Harmonizing Pill, so naturally, the refinement time was longer. He glanced up at the Pill Tribulation above