Ye Jingcheng calmed his mind and focused, first carefully inspecting every spiritual herb.
From the types of herbs down to their roots, stems, and leaves, he examined everything in meticulous detail.
Any herb with damaged spiritual energy was removed and replaced with a better one.
He had studied the Crimson Flame Fox Advancement Pill formula for nearly five years and knew it by heart.
Yet the herbs he currently possessed were only enough for two attempts.
In other words, he had to successfully refine at least one batch within those two attempts.
Otherwise, he would have to search again for rare herbs such as Red Dragon Fruit and Flamefall Grass.
Once the herbs were adjusted, Ye Jingcheng slowly began to warm and refine the Azure Elephant Furnace.
This time, he took the furnace-warming process as slowly as possible, proceeding step by step with utmost care.
There could be no deviation in the furnace's heat or the activation of its spirit patterns. When refining ordinary spiritual pills, Ye Jingcheng could use a rapid furnace-warming method for the sake of speed.
A few minor flaws would not affect much.
But when refining a spiritual pill as important as an advancement pill, Ye Jingcheng did not dare make the slightest mistake.
Both greater quantity and better quality would have a tremendous effect on the Crimson Flame Fox, and that effect would in turn be transferred onto him through the Beast-Link Mark.
This time, warming the furnace alone took a full quarter of an hour.
While waiting for the furnace to finish warming, Ye Jingcheng also fed a considerable amount of Treasure Radiance into the Crimson Flame Fox.
At that moment, the Crimson Flame Fox's sky-blue eyes gleamed unusually brightly. It, too, had been building up momentum for this pill refinement for a long