Since Huang Xiao was now far stronger than before, the power of his Heart Fire was far out of proportion to his current strength.
Thus, at first, Huang Xiao could clearly feel his Heart Fire growing rapidly stronger. Increasing its power was still relatively easy.
Only after five days did Huang Xiao gradually feel the increase in his Heart Fire's power slowing down.
Even though he constantly used Essence Blood Rebirth and had enough essence blood to kindle his Heart Fire, the change in its power had become negligible.
Huang Xiao knew his Heart Fire's improvement had reached a limit, at least for the time being.
It's several times stronger, Huang Xiao judged inwardly.
His Heart Fire was now far more powerful than it had been five days earlier. Huang Xiao decided to try again and see whether he could reverse and separate all the true qi in his body, eliminating the influence of the Demon Refining Formula.
At that thought, Huang Xiao began his attempt without hesitation.
He continuously kindled his Heart Fire, producing a greater quantity this time than he had last time.
Under Huang Xiao's control, the aura of his Heart Fire soon seeped into his meridians.
His true qi and Heart Fire merged completely.
Huang Xiao carefully sensed the changes in his true qi. Under the tempering of his Heart Fire, he finally discovered some changes in the true qi within his meridians.
Some of his true qi began to reverse and separate, bringing Huang Xiao a surge of joy.
This was a good beginning.
His true qi was constantly being separated, but his Heart Fire was also being rapidly consumed.
Huang Xiao immediately continued kindling his Heart Fire to make up for this consumption.
Gradually, Huang Xiao began to find his strength falling short of