Fang Han's eyes were sharp as he carefully examined the sword embryo before speaking.

As soon as he finished speaking, Fang Han moved his divine sense, and a beam of light flashed, and the Yin-Yang Cauldron placed in the Azure Dragon Ring appeared out of thin air in the very center of the weapon refining room.

Fang Han stood before the Yin-Yang Cauldron, his hands quickly forming hand seals, instantly unleashing the talisman technique.

Several talismans flew out and entered the combustion chamber of the Yin-Yang Cauldron.

In an instant, the crimson talisman fire, like a lively fire serpent, burned fiercely, and the temperature rose sharply, turning the outer wall of the Yin-Yang Cauldron completely red.

The ancient runes engraved on the cauldron, illuminated by the talisman fire, seemed to be activated spirits, beginning to flash rhythmically, their light flickering and radiating a mysterious aura.

With a thought, Fang Han sent out a stream of light from his fingertips, and the prepared sword embryo "whooshed" and fell precisely into the Yin-Yang Cauldron.

Under the high temperature, the sword blank was quickly burned until it was completely translucent and reddish-white.

Before long, Fang Han flicked his finger, and the sword embryo seemed to be drawn by an invisible force, slowly rising from the cauldron and landing steadily on the anvil beside him.

Immediately afterwards, Fang Han reached out and the massive iron hammer, weighing over a hundred pounds, fell into his hands.

He stood firmly on his feet, the hammer whistling through the air in his hands, his hammering technique as fast as lightning, each strike carrying immense force.

"Thump! Thump! Thump!"

The dull hammering sound shook the dust in the weapon-refining workshop, and Gongsun Yaoqin, standing to the side, felt her eardrums ache from the impact.

Under Fang Han's relentless hammering, sparks flew from the surface of the sword blank, and layer upon layer of ash fell away.

Gongsun Yaoqin watched all of this intently, knowing full well that the falling ashes were the impurities within the sword embryo.

In fact, this sword blank had already been refined by her through countless trials and tribulations, and was more than enough to forge a spiritual weapon.

But now Fang Han is trying to forge a divine weapon. Divine weapons are completely different from ordinary weapons. Even with Fang Han's extraordinary forging skills, if he makes a slight mistake in any step, the forging will be a complete failure.

Seeing the ash continuously falling from the sword blank, she understood that the material of this sword blank was indeed not pure enough compared to the requirements for forging divine weapons.

The clanging and banging of the hammers sounded like a continuous, rapid drumbeat.

Fang Han seemed tireless, mechanically swinging the sledgehammer, one blow after another.

It's unclear how much time passed, but when the number of hammer blows reached at least tens of thousands, Fang Han slowly stopped what he was doing.

Looking at the sword embryo now, it was much smaller than before, its surface smooth as a mirror, faintly radiating a cold luster, as if it had undergone a transformation.

Fang Han stared intently at the nascent sword embryo before him, pondered for a moment, and then slowly said, "It's almost done."

In an instant, his divine sense surged forth like a tidal wave, precisely locking onto the sword embryo.

As if drawn by an invisible force, the sword embryo shot into the air like an arrow and flew steadily into the scorching Yin-Yang Cauldron.

Inside the Yin-Yang Cauldron, talismanic fire burned fiercely, crackling and popping, turning the cauldron walls a bright red.

As soon as the sword blank entered the cauldron, it made a muffled "gurgling" sound. Under the influence of the high temperature, it quickly softened and melted, gradually turning into a pool of molten iron.

At the same time, wisps of black smoke rose from the molten iron. These wisps of smoke were the impurities contained in the molten iron, which were being gradually expelled under the high temperature quenching.

Seeing this, Fang Han sat cross-legged in front of the Yin-Yang Cauldron, closed his eyes slightly, and focused his mind into his body, concentrating his spiritual power.

The three multicolored gems floating in front of him, controlled by his divine will, slowly rose into the air, shimmering with dreamlike multicolored light, like three dazzling shooting stars, flying into the Yin-Yang Cauldron one after another.

The colorful gemstones melted rapidly upon contact with molten iron. The originally single-colored molten iron gradually developed beautiful ripples as the gemstones were incorporated, gaining a touch of mystery.

Gongsun Yaoqin stood to the side, her eyes wide open, staring intently at the changes inside the Yin-Yang Cauldron, marveling at the wondrous refining process.

"rise!"

Just as the molten iron and the colorful gemstones were perfectly fused together, Fang Han suddenly opened his eyes and uttered a deep and powerful command.

As the command was given, the molten iron in the Yin-Yang Cauldron seemed to hear the call, soaring into the air like a nimble water dragon and falling precisely into the prepared sword mold.

In the blink of an eye, the molten iron solidified rapidly in the mold.

Fang Han used his divine sense to remove the formed sword blank from the mold and threw it into the cold water beside him without hesitation.

With a "whoosh," a cloud of white steam rose from the water's surface, and the sword embryo's structure became increasingly compact as it was subjected to alternating hot and cold temperatures.

Fang Han did not stop. He placed the sword blank on the anvil again, wielded the black iron hammer with both hands, and began a new round of forging.

Each hammer blow carried immense force, producing a dull thud and sending sparks flying.

After countless hammer blows, the surface of the sword blank becomes smooth and flat.

Immediately afterwards, Fang Han picked up a special tool and carefully polished the sword blank. Under his polishing, the sword blank gradually shone with a dazzling light.

Finally, Fang Han used the art of engraving to carefully inscribe mysterious runes on the sword.

The moment the runes were engraved, the entire sword emitted a powerful aura, like a peerless divine weapon about to break free from its sheath.

After a long while, Fang Han let out a long sigh and slowly put down the tools in his hand.

This sword, which embodies countless efforts of his, is finally complete.

"Master, is this sword a divine sword?"

Gongsun Yaoqin had been watching Fang Han refine weapons with rapt attention, but now seemed to snap out of his daze. He looked at the sword floating in front of Fang Han, its blade gleaming with a special luster, and asked eagerly.