Yasha Seiketsu

"The village isn't all they left us. We're still here."
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Yasha Seiketsu

夜叉清血 Seiketsu Yasha Yasha (夜叉,Yasha)
Debut
Manga	UKiYO: Kingdom Above The Clouds
Appears in	Manga Fanon
Voice Actors
Japanese	Ken Narita
English
Personal
Birthdate	November 11th
Gender	Male
Species	Human
Age	Blank period: 12 New Era: 19 KATC-Boruto TBV: 22
Height	Blank Period: 152.4 cm New Era: 180.3 cm KATC-Boruto TBV: 187 cm
Weight	Blank Period: 33.1 kg New Era: 77.1 kg KATC-Boruto TBV: 80.7 kg
Bloodtype	O
Kekkei Genkai	Yasha’s Kekkei Genkai Swift Release
Classification	Sensor Type Medical-nin
Occupation	Thief
Affiliation	Kusagakure Otogakure
Partner	Sanari Uzumaki Kei Sarutobi Kaito Kohinata Shonei Uchiha
Clan	Seiketsu Clan
Rank
Ninja Rank	Blank Period: Genin New Era: Jōnin KATC - Two Blue Vortex: Jōnin
Academy Grad. Age	13
Chūnin Prom. Age	17
Jōnin Prom. Age	18
Nature Type Swift Release Earth Release Water Release Wind Release Lightning Release Fire Release Yang Release Yin Release
Jutsu • Chakra Enhanced Strength Chakra Transfer Technique • Contract Seal • Wind Release: Drilling Air Bullet • Delicate Illness Extraction Technique • Earth Release: Decreasing Mass Technique Earth Release: Increasing Mass Technique Earth Release: Stone Bullet Technique Lightning Release: Vajra Power • Thunder Purifying The Land • Lightning Release: Thunder Shrine • Lightning Release: Vajra Illumination •
Tools • Sword • Shuriken • Kunai

Yasha Seiketsu( 夜叉清血, Seiketsu Yasha) is an elite shinobi of Kusagakure, Yasha Seiketsu is a formidable missing-nin from Kirigakure, whose lineage ties him to the fierce Land of Waters' Seiketsu clan. Raised in a loving household,

Background[]

Born in the slums of Otogakure, Yasha’s childhood was a masterclass in survival rather than a period of innocence. Orphaned since birth, he found a makeshift family among a desperate pack of bandits, where the hunger in his stomach was only matched by the grit in his spirit. He grew into a relentless enforcer for the group; though hard-headed and unrefined, his determination ensured that no operation was too dangerous and no target was left behind. However, the luck of the street-rat eventually ran dry. At age twelve, a high-stakes heist collapsed into a bloodbath, leaving his comrades either slaughtered or shackled in Oto’s dungeons. Yasha was forced to flee the Land of Sound with the weight of his failures and a survivalist’s instinct, refusing to let himself die.

Yasha would soon meet a man named Kaito Kohinata, who would take him under his wing and teach him many things. They traveled for months before giving Yasha a home within Kusagakure. Upon entering the academy, Yasha was still hot tempered. rude to everyone who confronted him unless he would benefit from it, and would start fights with other children at the academy. He was very intellectually inclined and had no problem learning the jutsu taught by the academy. Upon becoming a genin a year later, he caused much trouble within his group; leaving his team behind on missions, challenging his sensei’s authority, and making decisions on his own. Although he was extremely tough for his age, he still had much to learn.

with more guidance, his rough shell slowly begin to crack, allowing him to open up a lot more. With the help of the friends he met along the way and his teachers, he became much more mature, by the time he became a chūnin at 17. Yasha never forgot his past, as a thief, and as a Chūnin he took heed to the knowledge and teachings his seniors had passed down to him. He took what he learned from his past and what he has been learning now, to become a much stronger shinobi. Signature ninjutsu, and techniques from his home and further advanced them for the sake of protecting his village and comrades. He would soon be promoted to Jōnin a year later, and even lead his own team of genin on many successful missions.

Personality[]

Yasha's grace and Tranquility belies a profound strength forged in childhood trauma. Orphaned from a young age, he endured immense hardship and witnessed the suffering of those he called family. His rescue and return to Kusagakure set him on a new path, one of intense training and spiritual healing. Through these trials, he grew into a compassionate and benevolent young man, driven by an unyielding resolve to safeguard his home and ensure no one else suffers as he did. His presence feels grounded — like an unmoving mountain — even in the heat of battle. He speaks with deliberate intention, rarely wasting words or energy.

Appearance[]

Yasha at fourteen has a lean, muscular build with a silver necklace accompanied by a black necklace. He wears a light blue, long-sleeved shirt unbuttoned to his mid-chest, revealing his muscular torso. His black hair is styled into dreadlocks that fall just past his ears, with a few strands hanging over his face. He's also wearing light-colored, knee-length shorts with a black belt that bears the Kusagakure symbol on a metal plate and a chain hanging from his waist. His feet are clad in striped ankle warmers and black ankle-length sandals. He has several silver rings on his fingers with a few bandages wrapped around his wrist.

Yasha is a tall, lean man with dark skin, dark brown eyes, and buzzed black hair. His handsome features are framed by a striking outfit: a black oversized jacket with cuffed sleeves and a popped collar, revealing a peach interior. Underneath, he wears a white button-down shirt. Two peach belts, one of which is slanted, cinch his casual, baggy black pants, which are paired with black ninja sandals that also have a peach-colored lining.

Abilities[]

Yasha is regarded as one of Kusagakure’s strongest allies. Being chosen as Tetsu’s personal assistant. Yasha has shown to have jōnin level prowess just at the age of twelve making him a prodigy as well as a genius. He rose through the ranks Being promoted to jōnin just months after his chūnin promotion. After his training with Kaito Kohinata he has grown further, Yasha’s prowess has been honed to a level that puts him in his own tier amongst the top ninja. His Ninjutsu, Bukijutsu and Taijutsu have been molded into perfection. Being highly intellectual with most forms of Ninjutsu, Yasha has created techniques to combat and seal a tailed beast power. He has taken down three pseudo Otsutsuki each who possessed a shinjutsu and a percentage of power from their progenitor. Yasha’s combat relies on fast and swift movements, striking down enemies with precision.

Chakra and Physical Prowess[]

Yasha, a descendant of the Hagoromo clan, possesses a hefty life force which would innately boost his Chakra reserves, vitality and would grant him immense physical energy. He is also a master Taijutsu specialist trained by some of the best in his village and even incorporating his own martial arts techniques. He is able to utilize Chakra Flow, proficiently, after his training with Kaito to enhance his taijutsu attacks. Yasha also has immense physical strength as well where his taijutsu attacks also incorporate his own version of Strong Fist known as Vajra Fist.

Yasha possesses truly extraordinary chakra reserves, enabling him to execute numerous large-scale jutsu repeatedly within a single day. This massive pool of energy is paired with superlative chakra control, most strikingly demonstrated by his rare ability to weave complex hand signs with only one hand, drastically reducing the time required for technique activation. His tenacity and resilience are equally remarkable; Yasha has demonstrated the capacity to endure attacks classified as Shinjutsu—divine techniques far exceeding standard ninja arts—launched concurrently by two Pseudo-Ōtsutsuki. Each of these adversaries wielded a considerable fraction of their progenitors power, underscoring the near-impenetrable nature of Yasha's defense. Furthermore, his mastery extends to large-scale summoning, where he can manifest colossal objects, notably massive stone pillars capable of growing to mountain-sized proportions before being dropped onto targets with catastrophic, earth-shattering force.

Yasha is universally regarded as one of the fastest ninja Kusagakure has ever produced, primarily due to his advanced command of Swift Release (Shunshin no Jutsu). His movement is so instantaneous and refined that he can transition from one offensive posture to another or shift position entirely before even the most skilled sensor ninja can fully lock onto his fleeting chakra signature. This profound application of the technique elevates him beyond mere speed: his advanced Swift Release allows him to effectively compete with ninja who utilize true space-time teleportation jutsu. More impressively, he can generate the perceptual illusion of simultaneous, multi-directional attacks—a technique so seamless that to an observer, it appears as though he is assaulting them from every angle in a single, blurring sweep.

Ninjutsu[]

Yasha's repertoire of skills is a testament to rigorous training, having mastered fundamental, advanced, and unique techniques. His mastery extends to the Summoning Technique (Tsuru) and its inverse, the Reverse Summon Technique, allowing for rapid battlefield deployment or retreat. Beyond these basics, Yasha consistently demonstrates unparalleled proficiency in Barrier Ninjutsu, capable of erecting formidable defenses; Medical Ninjutsu, where his precise chakra control can mend severe injuries; and Sensor Techniques, which he utilizes with intuitive grace. Yasha’s deep knowledge of chakra theory has granted him exceptional mastery over all five nature transformations: Water, Lightning, Wind, Fire, and Earth Release. He can fluidly manipulate these elements with a level of skill that few can match, but his power doesn't end there. He has also been observed utilizing both Yin Release (spiritual energy/imagination) and Yang Release (physical energy/vitality). Furthermore, his tactical acumen is highlighted by his mastery of the Shadow Clone Technique, which he employs not just for simple diversions but to summon a horde of clones capable of overwhelming opponents or executing complex, coordinated attacks. A true innovator, Yasha has personally developed many of his own original techniques. These are not mere variations, but powerful creations, some specifically designed to combat the overwhelming power of Tailed Beasts or effectively suppress their raw chakra. His long history of intense battles has refined his fighting style, transforming his strategic application of Ninjutsu into a deadly and unpredictable art.

Bukijutsu[]

Yasha has displayed great mastery in wielding many weapons. He’s displayed mastery in Kenjutsu, Sojutsu, and Shurikenjutsu. He wields a naginata as a substitute weapon with profound mastery as if it were an extension of his own body. Shown to reflect ninja tools and even ninjutsu with a single circular motion. Yasha can also coat the naginata in wind chakra nature for increased length and thrusting power. Yasha is also very capable of Shurikenjutsu since a young age. By the time he was 10 he could throw a handful of shuriken and hit every target with pinpoint accuracy. He has also shown to reflect shuriken, senbon and other kunai with the use of his own shuriken.

Yasha began practicing kenjutsu from the age of eleven teaching himself the way of the sword. Yasha’s main style revolved around quick drawing (Iai style) his blade from its sheathe in normal or reverse grip prioritizing both speed and power and quickly resheathing it after he strikes. His Kenjutsu breaks down his opponent’s rhythm by switching from normal grip to backhand grip and mixing taijutsu as well; forcing opponents to react too late or misjudge the angle of his attacks. Using the Chakra Scalpel technique, Yasha applies it to the blade of his katana, which imbues the sword with chakra capable of cutting on a cellular level. Consequently, any contact—even a minor, shallow graze that an opponent might dismiss—becomes a fatal blow, instantly severing major arteries, muscle tendons, or the spinal cord without leaving a large, bloody external wound. This combination ensures that the engagement is decided in the very first fraction of a second, resulting in an opponent collapsing from catastrophic internal damage before they even register that they have been truly struck.

Nature Transformation[]

Yasha has an affinity for Lightning Release, developing many powerful Lightning style techniques. He has also been shown to channel both lightning and wind style onto his ninja tools. By the time Yasha reached 18 years old he has knowledge and skill when it comes to all five chakra natures: able to use them efficiently in the midst battle. He is as able to combine both lightning and wind style to use the Kekkei Genkai known as Swift Release primarily used to enhance his speed as if he was teleporting. Yasha is also knowledgeable in both Yin and Yang Release utilizing healing techniques and Jagan a powerful sensor technique that sacrifice one eye to grow another on the forehead that grants exceptional sensory awareness.

Intelligence[]

extending beyond simple book smarts Yasha encompasses combat strategy, tactical adaptation, and a deep understanding of chakra and ninjutsu. He is a prodigy and a genius, reaching jōnin level prowess at just twelve years old. His intellectual prowess is most evident in his ability to create his own unique techniques, some of which are powerful enough to clmbat and even seal the power of the tailed beast. Yasha's strategic mind is demonstrated through his refined combat style, which focuses on fast, swift movements and surgical precision to instantly incapacitate opponents. He has a profound understanding of chakra and its applications, as shown by his mastery of all five basic nature transformations and his knowledge of Yin and Yang Release. This intellect allows him to adapt on the fly, as he's shown the ability to weave hand signs with one hand and strategically use the shadow clone technique as a fake-out. Furthermore, he is an expert in Bukijutsu and Taijutsu, creating his own martial arts techniques and seamlessly mixing them with his swordplay to disrupt an opponent's rhythm. His combat intelligence is also reflected in his ability to endure and overcome threats from three Pseudo-Ōtsutsuki, each possessing Shinjutsu, a feat that requires not only raw power but also a deep tactical understanding of a divine-level threat. He even developed a unique sensory technique called Jagan, which allows him to perceive a person's emotions and intent, showcasing his innovative thinking and advanced knowledge of sensory abilities. Yasha’s intelligence is a key component of his strength, allowing him to be not just a powerful ninja, but a comprehensive and formidable opponent who can out-think and out-maneuver his enemies.

Stats[]

Story	Ninjutsu	Taijutsu	Genjutsu	Intelligence	Strength	Speed	Stamina	Hand seals	Total
KATC	5	5	3	4	4.5	5	3.5	5	34.5

Trivia[]

Yasha’s first appearance is in UKiYO stories: Kingdom Above The Clouds. Story Created by UKiYO foundation.
Yasha’s name is derived from the figure of Buddhist mythology, known as Yaksha. Yaksha are known as powerful Nature spirits and guardians of Buddhist teachings.
Yasha descends from the Hagoromo clan through his father who he does not remember.

According to UKiYO databooks.
- Yasha’s hobbies include meditation, Baking and painting.
- He enjoys following Kaito Kohinata’s teachings.
- Yasha is able to utilize Ninshu because of his training with Kaito.
- He chooses not to kill but it is something he is capable of doing if needed.
Yasha is self taught when it comes to Kenjutsu. Due to his lack of skill when first starting off he learned to fight with the blade in reverse grip. Later on he has mastered both normal and reverse grip making it a deadly combo.

Quotes[]

(To Boruto Uzumaki) "Your power is a testament to your spirit. But true strength isn't just about the jutsu you can cast. It's about what you choose to protect with it."
(To Tetsu Village Leader) "My life belongs to this village, to the peace you've helped me find. Your trust is an honor I will never betray."

(To Kaito Kohinata) "You taught me that power isn't meant to be feared, but to be controlled. Your teachings are my foundation, and my life is a testament to your wisdom."
(To Juushiki) "Your divine arrogance blinds you. You see this world as a mere resource to be consumed, but it is my home. I will not let you have it."
(To Kaito Kohinata) "Your teachings were more than just jutsu; they were a philosophy. You taught me to find my center, to understand the harmony of nature, and to see the world not just with my eyes, but with my soul."
(To Sora) "When I confessed my secret, I expected your hatred. Instead, you gave me a hug, and with it, your forgiveness. That single act saved me more profoundly than anything else could have."