Sun Breathing!
Naruto imagined a blazing sun hanging high in the sky, its boundless power radiating down upon the earth.
In the next instant— you sank deeper into that image of solar power, and, using the principles of the five base breathing styles as a template, you attained enlightenment!
You created Sun Breathing!
Sun Breathing: the most powerful breathing style — capable of erupting with a force like the sun itself!
Instantly, Naruto inhaled once more. "BOOM! "
All of his chakra was affected by Sun Breathing and erupted outward. Golden, furious heat-waves wrapped his body. His hair billowed golden in that aura. His eyes—sky-blue—glinted with a piercing sharpness that was almost unbearable to look at.
"Hss—" Naruto drew another deep breath. The flood of oxygen summoned by his breathing made his heart pound like an engine. "Thud! Thud! Thud! "
He felt reborn.
Feeling the supreme, unyielding, yang strength the Sun Breathing granted, Naruto unleashed a Wind Release Rasenshuriken!
The high-speed rotating Wind Release Rasenshuriken whistled with piercing detonations as it spun in Naruto's hand. Under Kurama's stunned gaze, Naruto poured Sun Breathing's supreme, rigid, solar might into the spinning Rasenshuriken. "BOOM! BOOM! BOOM! !! " The spirals roared and collided.
At last— it swelled and condensed into a miniature, shriveled sun.
"Sun Breathing! " "Solar Release! " "Solar Rasenshuriken! !! "
Naruto held that solar Rasenshuriken as if lifting a real sun—endless light and heat spilling across the world. The formerly dim, pitch-black sealed sewer warmed under that sun's glow.
Inside the cage, the Nine-Tails stared at Naruto beneath that sun as if witnessing the dawn of a new world.
"—He actually harnessed the power of the sun. " "Kurosama…" Kurama's face erupted with shock; his inner world churned from Naruto's creation.
But Naruto wasn't done. While maintaining the Solar Rasenshuriken with one hand, he began to design the next breathing style.
You combined your understanding of Sun Breathing with knowledge of the moon and attained enlightenment!
You created Moon Breathing!
Moon Breathing: a breathing style born from the moon's radiance — the counterpart to Sun Breathing, founded in the vision of lunar light.
Instantly, Naruto inhaled again. While simultaneously channeling the five base breathing forms and Sun Breathing, he added Moon Breathing to the mix.
The moon is the sun's opposite: drawing moon essence is to draw yin — soft, precise, razor-like.
Then Naruto formed another Wind Release Rasenshuriken in his other hand. This time he imbued the spinning shuriken with the edge of Moon Breathing.
Yes. Moon Breathing was extraordinarily sharp—like a crescent blade. The Rasenshuriken's shape became more serrated, like overlapping crescent moons weaving through irregular trajectories.
"Moon Breathing! " "Lunar Release! " "Moon Rasenshuriken! !! "
Now Naruto held the Moon-imbued Rasenshuriken in his left hand and the Sun-imbued Rasenshuriken in his right. Sun: supreme, rigid, blazing yang. Moon: supreme, soft, razor-like yin.
Staring at the two Rasenshurikens—identical in form yet wholly different in nature—an inspiration struck Naruto's mind.
If both powers were at hand, why not fuse them?
In the next instant, Kurama watched as Naruto began to bring the two terrifying spinning weapons together.
"BOOM! BOOM! BOOM! !! " Chakra clashed and merged with violent thunder. For a moment it seemed on the brink of catastrophic detonation.
But Naruto, wielding extraordinarily strong mental composure and hair-fine chakra control, forced the fusion, preventing the Rasenshurikens from exploding apart.
"AHHH! !! " Naruto pushed the two spirals slowly, forcefully together with both palms, while maintaining all breathing styles' power.
Then—at last—the Solar Rasenshuriken and the Moon Rasenshuriken joined.
At the instant of fusion— "BOOM! " A tremendous roar. A boundless gale swelled outward, radiating from Naruto and sweeping the sealed space in all directions.
Inside the cage, the Nine-Tails felt that storm surge but barely cared — his eyes were glued to the new force forming in Naruto's hands.
In this moment, the Rasenshuriken Naruto held had transcended single attributes and seemed to transcend the mortal world. The fusion of sun and moon showed no overt heat nor chill; instead it shimmered with a mysterious, multicolored brilliance, as if harboring a vast cosmos within—an endless starfield.
Naruto stared as if entranced by the Rasenshuriken that contained a piece of the heavens. Even with his own eyes, he could feel its colossal, mysterious presence drawing at him.
"Then—" "Let's call it the Stellar Rasenshuriken! "
He named it with pure joy. The fusion of yin and yang had produced a brand-new, immensely powerful Rasenshuriken—capable of being the strongest unbuffed attack in his arsenal.
And if he added even a single elemental sage/spirits energy to it, its power would scale dramatically. Stack all his augmentations on top of that, and it was unimaginable.
Kurama, watching the Stellar Rasenshuriken, became certain: if that jutsu struck him, its contained power could very well take out a full tailed beast.
A single jutsu capable of ending a bijuu— the very idea shook the Nine-Tails.
For Naruto, the creation of the Stellar Rasenshuriken was an unexpected triumph.
All Breathing Styles: Wind, Lightning, Earth, Water, Flame, Sun, Moon—the seven foundational breathing styles—were now simultaneously bolstering his body.
This massively amplified his physical capabilities. With Naruto's superior control, he had effectively completed a state of constant, full-breathing concentration—a permanent application of all breathing styles at once.
After holding that full-concentration state for a while, Naruto sensed a new power welling up inside him.
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