Southern Bright Leaving Fire and Crimson Sun True Fire each had their own advantages, but both also had shortcomings.
No matter which one he used, perfection was impossible.
Since he had obtained Crimson Sun True Fire first and had already turned it into his Primordial Spirit's heart, it was not easy to replace now.
Xuan Yuan pondered for a moment. "I've also discerned some of Crimson Sun True Fire's origins.
It resembles True Sun Fire somewhat, but it is clearly impure. It should have come from some demon bird with Golden Crow bloodline.
However, in recent years, Crimson Sun True Fire seems to have gradually drawn closer to True Sun Fire."
Wang Daoyuan nodded. "That is indeed the case. With the Sun Moon Origin, I comprehended the laws of the sun and moon. Those were laws I had mastered before breaking through to the Mahayana Realm.
Nourished by the Sun Law, Crimson Sun True Fire's pure yang nature naturally continued to strengthen.
In truth, by now, I no longer relied much on the power of spirit fires themselves for attack and defense.
Crimson Sun True Fire in particular came from a demon bird whose rank was not very high. Its potential was limited.
If I had not mastered the Sun Law and drawn it closer to True Sun Fire, it would probably have become useless long ago.
Of the other four spirit fires, three had formed naturally and possessed boundless potential.
Life Spirit Fire was produced by the Mysterious Sky Azure Spirit Peach. It could be considered to have originated from the Immortal Realm, so its potential was naturally considerable.
The weakest spirit fire was still this Crimson Sun True Fire.
If I could fuse them, even using True Sun Fire for the fusion would be a good choice."
"In