Heavenly Flame Training Gas Tower!
On the fifth floor, inside an Intermediate Training Room, Xu Haoyu was cultivating. Streams of white mist entered his body through every pore. This was all pure energy; after circulating through his meridians for one cycle, it could easily be refined into pure Dou Qi and steadily infused into his Sea Urchin Dou Crystal.
Within his dantian, his Sea Urchin Dou Crystal originally had nine spines. Now, the final small section of one of those spines had retracted into the crystal.
Bang! Bang! Bang!
Like a beating heart, the Sea Urchin Dou Crystal expanded and contracted as the energy it contained surged dramatically. Waves of energy rippled outward, forming an energy storm that swept through every part of his body. His meridians, muscles, tendons and bones, internal organs, skin, and more were all being tempered, growing increasingly stronger.
Xu Haoyu had broken through. He had truly advanced from a one-star Dou Ling to a two-star Dou Ling, and it had been less than a month since he entered the Inner Courtyard.
In just one month, he had risen by an entire star. At this rate, Xu Haoyu was highly confident that he could break through to Dou Wang within a year.
In the Inner Courtyard—or rather, within the Heavenly Flame Training Gas Tower—as long as he cultivated for a few more years, he would be able to attempt a breakthrough to Dou Emperor.
Suddenly, Xu Haoyu opened his eyes. A sharp gleam shot from them, extending more than half a foot before slowly fading away. A hint of delight appeared on his face as well.
"Two-star Dou Ling really is easy. My cultivation speed is even faster now than when I was a Da Dou Shi. The Heavenly Flame Training Gas Tower is truly incredible—or