One day passed outside; ten days passed in the space.
With ten times as much time in this superb cultivation haven, Cheng Heng cast aside the restlessness that followed his breakthrough and settled his mind once more.
Again and again, he studied the essence of the Flame Vajra Fire-Control Alchemy Art, traced the flow of fire-type Vajra Force, and honed his control over flame to the finest precision.
From condensing flame and controlling Vajra Force to spreading a field of fire and tempering with true flame, he refined every detail repeatedly. He repaired flaws in the art, made up for every weakness, and brought both the ferocity and the agility of fire-type Vajra Force to their limits.
As he practiced, his mastery of the Flame Vajra Fire-Control Alchemy Art climbed rapidly, drawing ever closer to perfection.
In the A-Class Cultivation Room where Cheng Heng had secluded himself, a full month had passed since his breakthrough to the Early Inner Vajra Realm.
Time crept by outside, but within the Martial Dao Space, where it flowed ten times faster, Cheng Heng had spent the equivalent of ten months in arduous cultivation.
Throughout that month, he had used the Fire Vajra Energy he had condensed within his body as a foundation, nourishing it in cycles with the other six types of Vajra Force as he practiced the art over and over.
Fiery Vajra Force traveled back and forth through his meridians and dantian. At first, he followed the alchemy formula by the book, simulating the process of controlling fire to refine medicine and drawing out Vajra flame to melt spiritual ingredients.
But as his mastery rose toward the threshold of peak mastery, he finally discovered something unusual about this martial art.
Each time he used the Flame Vajra Fire-Control Alchemy Art, his precision