Zenitsu Agatsuma is scared of everything, until he falls asleep and strikes like lightning. Here is the story of his Thunder Breathing and his yellow Nichirin blade.
In this story · この物語の品
Zenitsu Agatsuma screams, cries and runs from demons, and then, the moment he passes out, he draws his sword faster than anyone can see. That contrast is why fans love him.
Who is Zenitsu?
Zenitsu trained under Jigoro Kuwajima, a former Thunder Hashira, who never gave up on him even when Zenitsu wanted to quit. He joins the Demon Slayer Corps alongside Tanjiro and Inosuke.
He could only master one technique of Thunder Breathing, the First Form: Thunderclap and Flash. He trained it so hard that it became faster than anything else, and later, in his fight against his former fellow student, he unveils a Seventh Form of his own, Flaming Thunder God.
The sword
Zenitsu's Nichirin blade carries a yellow lightning pattern, matching Thunder Breathing. Its sheath is usually shown in a simple style, letting the lightning on the blade do the talking.
Which Zenitsu katana should you get?
- Zenitsu wooden katana (₹1499): hand-painted wood core, 104 cm. Best for walls, collections and cosplay.
- Zenitsu LED katana (White) (₹2999): the blade glows cool white under its yellow lightning pattern, with a white scabbard. USB Type-C, double tap to switch on.
- Zenitsu LED katana (Yellow) (₹2999): new. The blade glows warm yellow, like Thunderclap and Flash itself. Best for gaming setups and dark rooms.
Every version is about 104 cm long with a decorative, non-sharp blade.
How to choose
Zenitsu's sword comes as a wooden katana and as an LED katana in two glow colours. Here is how to decide:
- Pick wooden if you want the closest look to the anime, plan to hang it on a wall, are building a collection, or need it for cosplay. It needs no power and the hand-painted details stand out in daylight.
- Pick LED if it is going behind a gaming monitor, on a shelf in a dark room, or you want it to be the first thing people notice. It runs on USB Type-C, so a power bank works for photos and events.
- White or yellow glow? White looks crisp next to other LED katanas and cool-toned RGB; yellow is the closest to Zenitsu's lightning and suits warm lighting.
Will it fit my room?
At about 104 cm, the katana is roughly the width of a small desk. On a wall it needs about 110 cm of free space; on a stand, a shelf or desk at least 30 cm deep. Our stands keep it level and stop it from rolling.
Buying Zenitsu's katana as a gift?
It works well for birthdays, Diwali, Raksha Bandhan and graduation, for anyone who has watched the series. Add a stand so it can go on display the day it arrives. If you are unsure which style they would like, the wooden version is the safer choice for collectors and the LED version for gamers.
Display ideas
Zenitsu, Tanjiro and Rengoku on a triple stand make the full Mugen Train squad. The yellow LED Zenitsu glows like a lightning strike on your wall; the white one gives a cleaner, cooler look. Put it on a single, double or triple katana display stand to keep it straight and safe.
Key moments in the story
- Final Selection: Zenitsu survives the deadly test on Mount Fujikasane almost by accident, convinced he will die the whole time.
- The Drum House: the first time fans see him fall asleep and strike with Thunderclap and Flash, cutting down a demon in a single flash.
- Mount Natagumo: poisoned and turning into a spider, he stays calm, perfects Sixfold, and kills the spider demon from the air.
- Entertainment District: his Godspeed version of Thunderclap and Flash helps the team defeat Upper Moon Six.
- Infinity Castle: he faces Kaigaku, a fellow student of Jigoro Kuwajima who became a demon, and unveils his own Seventh Form, Flaming Thunder God.
Did you know?
- Zenitsu's hair turned from black to yellow after he was struck by lightning while climbing a tree during training.
- He has incredibly sharp hearing and can hear people's emotions and even their heartbeats.
- His haori has a pattern of triangles in yellow and white, a gift from his teacher.
- Thunder Breathing has six forms, but Zenitsu only ever mastered the first, until he created a seventh.
Frequently asked questions
What colour is Zenitsu's sword?
A Nichirin blade with a yellow lightning pattern, matching Thunder Breathing. The LED version comes in two glows: warm yellow, or cool white with the yellow lightning pattern on the blade.
Is Zenitsu's sword a good pair with Tanjiro's?
Yes. Tanjiro, Zenitsu and Rengoku on a triple stand is one of the most popular Demon Slayer displays.
Is the blade sharp?
No. All our katanas are display pieces with decorative, non-sharp blades, made for walls, desks, collections and cosplay. They are not for sparring or cutting.
Does it come with a stand?
The display stand is sold separately. Our single, double and triple katana stands fit all UrbanNook wooden and LED katanas.
How is it packed and delivered?
Every katana is packed in protective packaging for its full 104 cm length and delivered across India. Report any transit damage within 3 days with an unboxing video and we replace it free.
Care
Keep it out of strong direct sunlight to protect the finish, and wipe it with a soft dry cloth. All our swords are decorative with non-sharp blades.
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