"Alright, all of you go back and cultivate. Don't worry about anything else."
After waving everyone away, Huang Tian went straight to where the Huang Tian Seal was located. Forming hand seals with his fingers, he cast the Purification Technique on the Huang Tian Seal. As Huang Tian used the Purification Technique, the Immortal Essence Power within his body transformed into a terrifying gray flame that instantly descended upon the Huang Tian Seal!
Sizzle! Sizzle! Sizzle!
The terrifying flames continuously incinerated the surrounding void, while dense Heaven and Earth Spiritual Energy spread throughout the entire valley in just a short while.
Yet beneath such powerful flames, the Huang Tian Seal still emitted a hazy golden glow, as though it felt nothing at all from the dreadful gray flames burning around it!
Huang Tian showed no surprise at this sight. Although the gray flames were incomparably terrifying, the Huang Tian Seal was no ordinary object. It was impossible for it to undergo any obvious change in such a short time.
Time slowly passed, and three years went by in the blink of an eye.
To the Cultivation World, three years was no more than an instant, incapable of stirring up any waves. By then, every mountain within three thousand li of the valley had turned to ash, leaving behind a terrifying, bottomless abyss.
A dreadful scorching heat permeated every corner of the area.
After being continuously refined by the gray flames for three years, the Huang Tian Seal had clearly shrunk by a full circle. However, the pressure it radiated had become even more formidable!
Surging golden light shot straight into the sky.
A terrifying aura spread outward.
The Huang Tian Seal erupted with an innate aura. Its grade had risen, leaping from a High-grade Acquired Spirit Treasure to a low-grade