Zenitsu Agatsuma

Background

Full Name: Zenitsu Agatsuma

Powers & Abilities

• Thunder Breathing: A Breathing Style Zenitsu learned from a cultivator and his teacher, Jigoro Kuwajima, but failed to master all the forms in the swordsmanship style but could only be able to use the first of the six forms in it, known as Thunderclap and Flash. However, Zenitsu has become incredibly proficient in fighting and winning using the first form alone, even creating several variations and modifications to it and being able to successfully perform the technique even while unconscious. Later, Zenitsu even created an entire new form in Thunder Breathing, something only a Hashira, specifically Giyu and Muichiro, has done before. This form allowed him to turn the tables against his opponent, Kaigaku, and overpower and decapitate him instantly.
  • First Form: Thunderclap and Flash: The user unsheathes their katana, dashes forward at blinding speeds and decapitates their opponent faster than they can react, before sheathing it back. This technique is extremely reminiscent of Iaijutsu and its movements are described to be akin to "lightning ripping through the air".
    • Sixfold: An extension of the Thunderclap and Flash technique created by Zenitsu. The user performs Thunderclap and Flash six times in quick succession while slightly augmenting the power and speed of his dashes.
    • Eightfold: An extension of the Thunderclap and Flash technique created by Zenitsu. The user performs Thunderclap and Flash eight times in quick succession while slightly augmenting the power and speed of his dashes.
    • Godspeed: An extension of the Thunderclap and Flash technique created by Zenitsu. The user performs Thunderclap and Flash while greatly augmenting the speed of the technique. During the first display of this technique, an unconscious Zenitsu remarked that he mustn't perform this technique more than two times, otherwise his legs would be rendered useless due to muscle fatigue and exhaustion. However, during the battle against Muzan Kibutsuji, Zenitsu has shown improvement in the proficiency of this technique, allowing him to use it more than twice while still maintaining the power and speed of the technique.
  • Air Spin: The user delivers a circular spinning slash to send an opponent upwards. Typically, the technique is used to rebound after executing Thunderclap and Flash.
  • Encompassing Slash: The user unleashes a 360° horizontal slash that creates a ring of blue electricity around them.
  • Lightning Burst: The user unsheathes their blade and performs three arching horizontal slashes at blinding speeds in quick succession. This technique is extremely reminiscent of Iaijutsu.
  • Seventh Form: Honoikazuchi no Kami: The personal creation of Zenitsu Agatsuma. The user dashes forward at blinding speeds and unleashes a singular forward slash at a low stance, which is seemingly accompanied by a yellow Japanese dragon shaped like a lightning bolt.
• Enhanced Hearing: Zenitsu possesses a heightened sense of hearing, allowing him to detect danger from even the faintest of sounds. With this, he has displayed the ability to decipher layers upon layers of sound in one of the brothels and even in the Infinity Castle. As another testament to his great sound detection ability, he can perfectly replicate any tune he hears on a shamisen and koto only after listening to it once for the first time, possessing perfect pitch despite having no musical background. Zenitsu's exceptional hearing also enables him to fight in his asleep, an impressive feat as he has no visual aid and can only use sound to discern his surroundings while keeping up with the attacks of demons.
  • Extrasensory Perception: Zenitsu's hearing allows him to hear and pick up sounds outside the normal range of perception, such as detecting a person's thoughts, emotions and even their personality just by picking up the subtle sounds they produce. Moreover, he can discern a human from a demon by comparing the sounds they make, which also allows him to determine their strength to an extent as Daki, an Upper Rank demon, has a more terrible sound than normal demons.
• Enhanced Strength: Zenitsu has attained amazing physical strength through years of harsh training. Zenitsu can hold down Inosuke Hashibira with his bare hands and throw his entire body by grabbing to and swinging one of his legs. Most importantly, Zenitsu has incredible leg strength allowing him to jump extremely high and move at blistering speeds to perform his Thunder Breathing techniques. He was also able to damage the body of Muzan, whose body has the highest durability out of all the demons, further testifying his incredible physical strength.
• Immense Speed & Reflexes: Zenitsu is extremely fast, being able to easily move faster than even the eye can see. Even during the beginning of his career as a Demon Slayer, it is plainly obvious that his speed far outclassed that of lesser demons such as the Tongue Demon and Son of the Spider Family. During both skirmishes, neither demon was able to hit Zenitsu when he was actively engaged with the battle and both were completely unable to react to the speed of his attacks. During the battle against Enmu, he was able to save Nezuko from Lower Rank One's flesh appendages and could slice through many of them before Enmu could react. As he progresses, his speed has improved to the point that his movements couldn't be perceived by Upper Rank demons, like Daki and Kaigaku, the former's reflexes having been amplified multiple times during the fight and latter being a user of the same Breathing Style as Zenitsu. Moreover, Zenitsu could move faster than Kaigaku's lightning-based Blood Demon Art and cut his neck before the attack reached him. Most impressively, Zenitsu could land multiple hits on the imperceptibly fast Demon King, Muzan Kibutsuji, with his techniques, albeit he was severely weakened then.
• Immense Stamina & Endurance: Zenitsu has incredible stamina and endurance. He has been shown to continue fighting even after being affected by lethal poison from the Son Spider Demon that was gradually weakening him and turning him into a spider. He was also able to defend 3 train cars with Nezuko for an extended period of time without tiring out. Later, Zenitsu, along with Inosuke, engaged in combat with Upper Rank Six, Daki, for an extended long period of time. Even after receiving numerous wounds from the Upper Rank and later getting trapped under rubble, Zenitsu had enough stamina left to unleash his Thunderclap and Flash: Godspeed technique twice; once to get out of the rubble and the second time to blitz Daki. He was able to continue fighting with Kaigaku even after being on the receiving end of multiple Blood Demon Art-enhanced Thunder Breathing techniques that burned his skin and eventually summon enough power to use his ultimate technique and blitz him. Zenitsu was even able to exert himself for around half an hour during the fight against Muzan, even being able to surpass his limit of only being able to use his Thunderclap and Flash: Godspeed technique twice a day before his legs gave out.
• Master Swordsman: Zenitsu is an incredibly talented swordsman, displaying highly refined proficiency in extremely fast Iaijutsu-like swordsmanship and the Thunderclap and Flash technique, to the point he can create offshoots of the technique and utilize it even while he is asleep. His swordsmanship skill allowed him to fend off dozens of spiders and defend 3 train carts that Enmu was constantly attacking. Zenitsu's sword wielding skill evolved to the point that he could fight against Upper Rank demons of the Twelve Kizuki and later matched a severely weakened Muzan, implying that his swordsmanship skill has most likely improved to the point that it matched that of the Hashira, the highest-ranked and most powerful swordsmen in the Demon Slayer Corps.
• Indomitable Will: In spite of his initial cowardice and reluctance to fight, Zenitsu nonetheless possesses indomitable willpower and spirit. This was displayed when he absolutely refused to let Inosuke kill the demon inside Tanjiro's box, and protected it to the end despite getting relentlessly beat up by Inosuke. While he was asleep against the battle against Daki, Zenitsu had the willpower to continue fighting despite sustaining numerous slash wounds all over his body and having his feet broken. Through sheer will and anger, Zenitsu was able to overcome his cowardice and stay awake in battle against demons, shown during his bout with Kaigaku and Muzan, especially in the fight with the latter in which he refused to give up and persisted despite being enervated and injured.
• Tactical Intellect: Even when fighting unconscious, Zenitsu has displayed incredible judgement and tactical intellect. When fighting consciously, this ability is fully released. This able was best exhibited during his battle against Upper Rank Six, Daki. When Inosuke made an erroneous deduction of her weaknesses, Zenitsu correctly explicated that all they need to do is keep both demons' head disconnected to kill them. After his bout with Kaigaku commenced, he was able to clearly think and process his techniques and demonic abilities.
• Unconscious Combat: Zenitsu has the ability to fight when he sleeps, which allows him to awaken his true strength. While awake, his nerves and fear cause him to freeze up so he cannot move. When his life is in danger, his nerves and fear grow so strong that he passes out. But while asleep, his nerves are no longer holding him back, allowing him to fight and move with great judgement, precision and skill. His hearing also places a big part in allowing Zenitsu to fight unconsciously, as it enables him to discern his surroundings and the location of his enemies and their attacks. This also allows him to fight even after he falls victim to Enmu's spell that makes anyone go into deep sleep.

Equipment

• Nichirin Katana: Zenitsu carries around a standard sized and shaped Nichirin katana with yellow lightning streaks along the entire blade. His sword's tsuba is circular shaped with 4 slight indentations, the center has a silver tone with small triangles and has a golden border. The handle is yellow and wrapped in white silk ribbons. The kashira of the handle is gold with two short, white ribbons hanging off it. Along with his katana, Zenitsu also has a standard sword sheath that is white in color.