The vastness of that energy was more than a hundred or thousand times greater than Wei Yang's and Xiao Yan's.
The two of them were now late-stage Spirit Rank Heavenly Sovereigns, and their combat power could even rival that of early-stage Immortal Grade Heavenly Sovereigns. From this, it was clear that this flame was at least at the Saint Grade Heavenly Sovereign level.
In the original work, deep within the magma beneath Heaven Burning Volcano, there was a flame ranked second in the Great Thousand World: the Heaven Burning Spirit Flame.
This must be it.
"A Saint Grade flame truly is extraordinary!" Wei Yang's gaze was profound as he sighed inwardly.
Their hearts burned with desire, but they currently lacked the ability to subdue this flame.
In the original work, the Flame Emperor had transformed this place into the Endless Fire Territory and guarded it for several centuries, yet even he had been unable to do anything about this flame.
Likewise, no one had been able to subdue the Heaven Burning Spirit Flame despite its presence here for so long. One reason was that it was hidden deep within the magma, making it difficult for ordinary people to discover.
The second was that anyone below the Saint Grade would likely struggle even to approach it, much less subdue it. They simply could not withstand the scorching heat released by the flame.
However, although they could not subdue it for the time being, this flame could save them a great deal of cultivation time and allow them to break through into the Immortal Grade Heavenly Sovereign realm faster.
After a long while, Wei Yang and Xiao Yan reluctantly withdrew their gazes and discussed the matter.
In the end.
"A Saint Grade flame can be used for cultivation. It is not something