As he watched the Flame Heavenly Demon Emperor's expression gradually go beyond his expectations, Xiao Yan showed no change at all.
No matter what kind of flame it was, he could devour it, fuse with it, and turn it into his own power.
Naturally, that included this Demonic Fire, which was different from the creations of the Great Thousand World.
It would merely take a little more effort.
"I thought you were just a green brat who had only just entered Saint Grade, but it seems you do have some ability."
The Flame Heavenly Demon Emperor shook his head, but even so, that did not mean he feared him.
After all, he was an existence who had lived for tens of thousands of years. Let alone the Flame Demon Clan, even among the entire Thirty-Two Great Clans, not every great clan had an old-timer like him.
"However, you are still lacking if you wish to contend with me!"
As that deep voice echoed between heaven and earth, a battle saber condensed from demonic flames fell into his hand. At the center of countless halos from which Demonic Fire surged, the Flame Heavenly Demon Emperor suddenly swung his saber and came slashing over.
Without even thinking, Xiao Yan raised his hand to block this fierce and tyrannical strike. Emperor Flame gathered into a fire ruler and forcibly stopped the demonic-flame battle saber. Countless flames eroded and peeled away from one another, erupting in violent sparks.
Boom!
The mountains behind him slowly slid down along a clean saber mark, then fell into the magma at the foot of the mountains, which had unknowingly long since turned into a sea of fire.
Even though it was merely the most direct clash of flames between the two of them, the high temperature released was