Blazing flames roared within the artifact furnace.
Wrapped in Dry Yang True Fire, the Departing Fire Gold Stone, Fire Fiend Raw Stone, and Geng Gold gradually melted and fused together.
These were all Fourth Order materials.
Even Third-Tier Spirit Flames could not melt them.
Even ordinary Fourth-Tier Spirit Flames would require considerable time to melt them completely.
And the process would not be so smooth.
But Dry Yang True Fire had already reached mid-Fourth Order, and with the Golden Soul Spirit Flame and his talent assisting it, all the materials were refined in less than half a day.
A Sword Embryo was then tempered out.
All that remained was to inscribe the Fire Fiend Sword Seal onto the sword body, and the complete Fire Fiend Sword would be forged.
A Fourth-Tier Fire Fiend Sword would be enough to withstand the attacks of Nascent Soul cultivators.
However, it seemed the Jin Family had commissioned this Fire Fiend Sword to deal with Yin Fiend objects.
After putting away the Dry Yang True Fire, Zhou Ling did not begin inscribing the sword seal.
Instead, he sat cross-legged in meditation, restoring the spiritual power he had just expended.
Though he had borrowed the power of Dry Yang True Fire, the consumption of his spiritual power had still been considerable.
Meanwhile, the newly formed Fire Fiend Sword Embryo within the artifact furnace gradually cooled.
Strands of scarlet and azure sword radiance flickered across its fiery-red blade. Even without a sword seal inscribed upon it, it gave off a formidable killing aura.
That was because the blade contained Fire Fiend Raw Stone.
Fire Fiend Raw Stone contained Fire Fiend Qi and possessed powerful offensive properties.
With a thought from Zhou Ling, spiritual power flowed into the Fire Fiend Sword Embryo.
In an instant, scarlet Fire Fiend