Profound Sun Fire.
Quan Yi took the "Profound" from Crimson Gold Profound Flame and the "Sun" from Sun True Fire, forming the name of this brand-new Heavenly Flame.
Within this flame, the principles and power of the Yin Yang Five Elements were fused, causing it to contain powerful energies that opposed each other yet sustained each other with Endless Vitality.
Under the scorching of the Profound Sun Fire, the impurities inside the metal vanished on their own without any need for hammering.
Within the Profound Sun Fire, the purifying and Purification effects represented by Sun True Fire were brought to their utmost extreme.
But what was even more terrifying was that the impurities stripped away would not be expelled. Instead, they would be dissolved by the Origin Force of the Crimson Gold Profound Flame's return to origin, reduced to their most primal existence.
And under the circulation of the Five Elements within the Profound Sun Fire, their origin would be transformed into corresponding attributes, used to feed back into the metal itself.
Before the Profound Sun Fire, impurities did not exist. They were all nutrients that could be used to improve oneself.
From the outside, the metals wrapped within the Profound Sun Fireballs released piercing radiance one after another, while the familiar aura of Ultimate Elements brewed within them.
In just a few breaths, under the burning of the Profound Sun Fire, the impurities in the metals were stripped clean. Not only that, but the level of the elements within them rose by a tier.
Looking at the Elemental Force on the verge of breaking through its limit, Quan Yi activated another ability of the Profound Sun Fire.
The motionless Yin Yang Balls began to spin under Quan Yi's control.
The original method of upgrading through the metal's own Purification