Inside the secret chamber, sandalwood incense curled through the air, which was abnormally scorching. The terrifying heat even caused the space itself to warp slightly.
On the stone bed in the chamber, Gu He sat cross-legged with his eyes shut. Waves of terrifying heat spilled from the surface of his body.
Gu He himself possessed a fire affinity. Now that he was refining such pure energy, the fire-attributed energy within him had surged dramatically. Even without using Heavenly Flames, the temperature around his body had reached a terrifying level.
However, his mind was wholly immersed in the exhilaration of his rising strength. As he refined the energy filling his meridians, his cultivation rose at a perceptible rate with every passing moment. Although advancing from the peak of Four-star Dou Zun to Five-star Dou Zun required an enormous amount of energy, the gap between the two was steadily shrinking under Gu He's continuous refinement.
Under Gu He's relentless refinement, an invisible ripple suddenly swept out from his body. Had Gu He not placed a spatial barrier around the secret chamber, it would likely have already been reduced to ruins. Even so, the spatial barrier continued to tremble.
As the invisible ripple spread out, Gu He's aura suddenly surged like an erupting volcano. In almost an instant, it broke through the barrier between Four-star Dou Zun and Five-star Dou Zun, advancing into Five-star Dou Zun.
After Gu He advanced to Five-star Dou Zun, the energy within him had not yet been fully refined; nearly half remained. Therefore, after reaching Five-star Dou Zun, his aura did not fall back. It continued to climb at a steady pace, finally gradually stabilizing when it reached the high stage of Five-star Dou Zun.
He opened his eyes and sensed the Dou Qi within him, far more