In certain anime novels, there is a technique prepared primarily for challenging opponents of higher levels, known as the Sword Drawing Technique.

Gathering the essence, spirit, and energy into the sword still sheathed, constantly storing power, until the moment it bursts forth with its most brilliant sword light, striking with a blow that surpasses its own power to slay enemies of superior strength.

In many fantasy Xianxia novels Austin read in his past life, there were techniques similar to Sword Drawing Technique.

Like the Sword Pill in Xianxia, the Sword Containing in fantasy, they all continuously nourish the sword blade's power with spirit and energy over time, and the moment it blooms, its extreme power transcends its own limits.

Austin set his sights on techniques like these.

If he used that trace of Thunder Law within him as an invincible blade edge, nurturing it within using spirit, bloodline, and momentum — a myriad of mysterious powers — until it is unsheathed, then the power from that Thunder Law might just be enough to kill a Legend!

Although techniques like Sword Containment appear different from the style of the world he inhabits, the logic is the same, so trying it is worthwhile. If successfully nurtured, Austin will have an exceedingly powerful trump card!

Upon thinking about it, Austin, in his retreat, began contemplating how to nurture that trace of Thunder Law.

"Whether it's the Sword Drawing Technique, Sword Pulling Technique from anime, or the Sword Pill, Sword Containment in Xianxia, the first step is preparing a vessel—a good sword or a Magical Treasure Sword Pill—all of these are vessels. So what should I choose as my vessel?"

Given the strength of Thunder Law, it's impossible to use tangible items as its vessel; ordinary metals cannot withstand the formidable power of Thunder Law.

Austin found himself in a dilemma.

In the world he can currently access, there is no suitable vessel for Thunder Law.

However, having found a way to use Thunder Law, and if it can be realized in the future, the power of that trump card would be incredibly strong, something Austin was unwilling to give up easily.

After several days of thought, Austin found a clever solution.

Unable to find tangible material for Thunder Law, but what about a substance formed by conceptual things?

Austin thought of Thunderbolt Power!

After understanding that trace of Thunder Law, Austin gained further insight into Thunderbolt Power, enhancing his control over electricity.

In the Naruto anime, Uchiha Sasuke's lightning attribute change condenses electricity into a tangible Light Blade for attacks, the light blade having a tangible form, possessing sword-like attributes— even Orochimaru was amazed by this attribute change.

Over a month of contemplating Thunder Law, Austin was able to create similar attribute-changing Thunderbolt Light Blades.

Condensing conceptual thunder into a substance resembling a sword, he achieved the ability to create a tangible Light Sword.

Now, Austin plans to use the condensed Thunderbolt to forge a Thunderbolt Longsword with such substantive attributes, then use this Thunderbolt Longsword as a vessel to integrate that trace of Thunder Law, nurturing it within, forming a Thunderbolt Divine Sword.

Being a concept-like Thunderbolt Divine Sword, it can be like a Magical Treasure in Xianxia, typically retracting into the body and spitting it out when needed, making it easier to use in combat.

Taking enemies by surprise, severely injuring them in one move isn't impossible.

Enemies unfamiliar with combat in the Immortal World wouldn't expect a terrifying object to be suddenly spat out from their opponent's mouth.

Having found a solution, the next step was attempting it.

As for the attribute change of electricity, due to Austin's joint understanding of Thunder Law, it took only a short time to condense such a Thunderbolt Longsword.

This was an azure Longsword, its brilliant form shining radiantly, akin to an illuminating glass.

The moment the sword appeared, the surrounding space seemed to dim, arcs of electricity blooming like ripples in the surrounding void.

"Using thunderbolt as the form to bear the Power of Thunder Law..."

With deep contemplation, Austin began integrating Thunder Law into the Thunderbolt Longsword.

This wasn't a simple task, though Thunder Law shares origins with thunderbolt lightning; its superior-tier power frequently disrupted the original form of the Thunderbolt Longsword, eventually causing it to collapse.

To integrate it, Austin embarked on persistent attempts.

Once, twice, thrice... Austin sat atop the mountaintop, repeating the process countless times, the cold wind blew past but did not distract him, while the rolling sound of thunder echoed in the frigid winter between the icy heavens and earth.

Time slowly passed, an unknown duration elapsed.

At some point, the thunderous roar in the heavens above finally subsided, layers of rolling clouds dissipated, and the sky that had been obscured for a month revealed daylight once more.

On the mountaintop, Austin stood up slowly, exhaled deeply, his weary expression barely concealing the joy within.

"Finally, it's successful! A little more nurturing, and its power will be unimaginable!"

Feeling the constantly suppressed and accumulating power within himself, his heart finally settled.

This retreat not only resulted in the consolidation of an extremely powerful trump card, but during the continuous attempts, Austin's understanding of thunder also advanced to another level.

Now, even without the harmony of wind and water attribute powers, he can accomplish the magical power Attribute Rasengan's lightning nature change ability.

The Thunder Rasengan, among the three attribute powers Austin currently masters, was the hardest Attribute Rasengan to condense, and finally, he achieved a successful manifestation.

This was one of the achievements from Austin's latest retreat!

Moreover, the Thunder Rasengan's power was greater than the simple wind attribute and Water Attribute Rasengan, making it one of Austin's potent trump cards in close combat.

"Seems like it's been a month, I should head back now!"

With newfound confidence and greatly increased strength, Austin was in a good mood, spreading his wings, flying swiftly towards the direction of the tribe.

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