Not only he, but everyone present could not help their expressions changing slightly at that moment.
Their gazes held surprise as they looked at Xiao Yan.
The flaming spear unleashed by the Sun Emperor had been condensed from Sun True Fire, ranked eleventh on the Heavenly Flame Ranking. With its terrifying heat, even experts like them, who had touched the threshold of Heavenly Sovereign, did not dare withstand it head-on for long.
Yet the young man before them possessed Heavenly Flames even stronger than Sun True Fire. That alone would have been startling enough, but he could also devour Sun True Fire directly into his own flames. Even experts of their caliber were shaken by the sight.
Of course, the one who found it hardest to accept was the Sun Emperor himself.
Ever since inheriting Sun True Fire, he knew there might be experts at his level who could defeat him, such as the Saint Daughter of the Buddha Pagoda Gu Clan. But when it came to flames, he was almost entirely invincible.
After all, Sun True Fire was a supreme flame that could offer some benefit even to Heavenly Sovereigns. Though it fell far short of the top ten on the Heavenly Flame Ranking, those flames were likewise savage existences that Earthly Sovereigns had virtually no chance of taming.
Even Sun True Fire had only become relatively docile toward the Sun Emperor Lineage after being refined by the first Sun Emperor, then refined again by generation after generation of his lineage.
Even so, he had nearly been burned to ashes when he first refined Sun True Fire. Yet now, he had encountered someone even better at playing with fire than he was.
Not only that, his opponent could even devour Sun True Fire. At last, a trace of unease