Shimotsuki Ryuma—the Dragon Slayer and Sword God from hundreds of years ago—how powerful was his swordsmanship?
No one truly knew.
Aside from the feat of slaying a dragon, there was another legend that had been passed down through the ages.
That legend said that no matter who the opponent was, Ryuma would cut them down in a single instant.
From that alone, it was not difficult to infer just how terrifying Ryuma's speed with the sword must have been.
So just how fast was he?
El hadn't lived in Ryuma's era, so he couldn't know for certain.And although El had always been confident in himself—believing that he would never be inferior to Ryuma in the future—
At this moment, he had seen someone faster than himself.
And for the first time, he was no longer completely confident that he could surpass that speed one day.
What did "in the blink of an eye" truly mean?
Kuina demonstrated it in her own way.
Outside the outskirts of Birka, Kuina stared at a ferocious beast standing one hundred meters in front of her. Slowly, she assumed a sword-drawing stance.
The next instant—
Her figure vanished.
What El and the other two girls saw was a dazzling blue-and-white meteor, flashing past their vision in a straight line.
A heartbeat later, the sound of flesh being torn apart reached their ears.
A hundred meters away, the beast—completely unaware of the four's presence—had already been sliced cleanly into two halves.
The cut was smooth and perfectly straight.
Kuina had not yet grasped the Breath of All Things, yet she still split the beast in two with a single strike.
The intense electrical heat lingering on her blade even cooked the exposed flesh at the cut.
From this alone, it was clear—
Kuina's attack possessed not only terrifying speed, but also overwhelming penetration, cutting power, and lightning damage.
With just one strike, Kuina's sword style had already taken shape.
"So fast… is this really the strongest Logia-type Devil Fruit?"
"If Sister Kuina had Armament Haki just now… that strike would have killed me!"
Looking at Kuina, who had appeared a hundred meters away in an instant, both Carina and Nami were filled with shock.
Their reaction was understandable.
Just as Nami said—if either of them had been Kuina's opponent without Armament Haki, then aside from Nami herself, Carina's head would have already been severed, just like the trash fish El slaughtered in the past.
"What a terrifying ability…"
Kuina teleported back to the group, her expression filled with amazement at her own transformation.
"After expanding the Electric Field, I can teleport freely within it, or turn into lightning and move at extreme speed. So… this is the power of the Goro Goro no Mi?"
"This is only the tip of the iceberg," El said with a smile.
"Right now, you've only grasped the Electric Field. Once you master radio waves and awaken Observation Haki, you'll truly understand why the Goro Goro no Mi is considered the strongest among Logia-type Devil Fruits."
"Also—don't forget electrotherapy."
El continued calmly,"It can continuously condition your body. No matter how intensely you train in the future, you won't accumulate hidden injuries."
"More importantly, electrotherapy can dramatically accelerate the absorption of Nutritional Supplements."
"From today onward, you won't have to worry about overdosing. Just like me, you can take two or even three bottles per day."
"Wow!"
"That's way too outrageous… it feels even more broken than my Baku Baku no Mi!"
After hearing El's explanation, both Nami and Carina were completely stunned.
The comprehensiveness of the Goro Goro no Mi was simply absurd.
"Don't be envious," El said, smiling."The stronger Kuina becomes, the stronger all three of you become."
Then, putting on an exaggeratedly sorrowful expression, he added,
"Once you activate Three Heads and Six Arms, you'll become an incomprehensible monster—one that commands two natural disasters, lightning and fire."
"Lightning-fast movement, overwhelming destruction, burning and devouring everything in your path…"
"At that point, you won't even need my protection anymore."
"I'll already be the weakest member of the team—hah!"
Seeing El show such rare cuteness, the three girls couldn't help but burst into laughter.
"Hehehe… even if you become the weakest, I'm still your wings, Nii-san!"Carina threw herself into El's arms, hugging his waist tightly.
"Hehe… Carina, you're too slow!"Nami quickly hugged El's left arm."I'm Nii-san's first wing!"
This time, Kuina also gathered her courage.
She hugged El's right arm, resting her head gently against his shoulder, and whispered softly,
"El… I can finally share your burden."
"Please use me to your heart's content."
"I will be the sharpest sword in your hand."
"Heh—then I won't hold back."
El grinned and pulled the three girls tightly into his embrace.
With Kuina becoming a Devil Fruit user, El's original purpose for entering the Grand Line had finally been fulfilled.
And who said that only Carina, Nami, and Kuina could use Three Heads and Six Arms?
As long as Carina was present—
El and Kuina could also enter Three Heads and Six Arms together.
Once activated with Carina and Kuina, El himself could wield the power of the Goro Goro no Mi.
Not only that—
His physical energy would stack with Carina's vast reserves.
Combined with his knowledge as a transmigrator, El's mastery of the Goro Goro no Mi would surpass even Kuina's, the fruit's original user.
At this point, Three Heads and Six Arms was no longer merely the trump card of the three girls—
It had become the greatest trump card of the entire team.
With such a card in hand, even if they encountered true monsters of the sea, El was confident that escape would always be possible.
And without the immediate threat of overwhelming enemies—
El could finally slow down.
He could continue growing stronger at low risk…
And calmly wait for the opportunity to obtain his own ideal Devil Fruit.
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