Tengen Uzui's Nichirin Blades : [Demon Slayer] Season 2

The making of Tengen Uzui's Nichirin Blades from season 2 of the Demon Slayer Anime. Much like the making of Tanjiro's Katana, this video is shot more like a documentary of the San Mai Japanese bladesmithing kitchen knife only much much longer. Tengen duel wields a pair of large Nichirin blades that are connected by a chain. We forge the blade from wrought iron from the 1800's with a high carbon edge insert using the hot dog in the bun technique. We forge the blade and grind and polish it. The quench for the heat treat is in water. We made the Tsuba in tachi style with layered sepa and a raised copper border. We forge some bronze for the rest of the fittings. I think this Wide katana or huge kitchen knife came out very well and represents what the sword from the Demon Slayer Anime would be like in the real life if it were to exist. With next season of demon slayer coming, how fitting is it's name "To The Swordsmith Village" ?
Please consider supporting us by sharing this video to help spread the word!
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Videos Shot, Produced and edited by - Matt Stagmer
Co-producer - Ilya Alekseyev
Brand Manager - Chris Cash
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Music by - Epidemic Sound
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[@ThatWorks]

This is sword is now available to purchase thatworks.shop/store/ols/products/tengen-usuis-nichirin-sword

[@speeedoooclips]

Why so late I think it will be sold in a blink if you post it early as you post this video

[@ThatWorks]

@@speeedoooclips we just decided to sell it.

[@karnon_4886]

I can't load the website😭😭

[@shohanpatwary3964]

When I’m old enough and have the money 💴 I would definitely buy this one day for sure I would

[@Ziros_Play]

Как в конце музыка называется

[@YugenOfficial]

Probably not the most cost effective kitchen knife out there but I like the passion.

[@NumbDogma69185]

I disagree. Its probably the most effective knife for slicing watermelons or other similarly large fruits

[@GCho733]

*F L A M B O U Y A N T*

[@ThatWorks]

@@NumbDogma69185 No Watermelons were harmed in the making of this video!

[@amumuimo8530]

depends on what you are cutting.

[@jeangab536]

Humm...japanese kitchen knives are really expensive tho

[@slinger0083]

Even in anime/video game inspired builds, Ilya’s love and respect for historic blade techniques shows.

[@ThatWorks]

We try to show important techniques even in the most silliest of builds

[@TheAsvarduilProject]

As a fellow engineer - software, not smithing - one thing has become clear in my career: there are very few 'trivial' tasks. All tasks deserve respect when building something. Even a silly build reaffirms proven techniques and teaches valuable lessons.

[@ThatWorks]

@@TheAsvarduilProject well said!

[@ramonpizarro]

A lion hunts even a rabbit with all his might

[@liamowen297]

​@@ramonpizarrolions don't hunt rabbit as they aren't worth the energy for the small amount of meat

[@Palgrave]

Canonically, in Demon Slayer the swords the Corps receives are made with very specific techniques made by a very small number of extremely talented swordsmiths. Every single one is a work of art on its own, and the smiths get *very* mad if anything ever happens to one.

[@RandomL0s3r]

You can see why Imagine working for months, years even to make a blade just for some pig guy to hammer it with a rock

[@charlescaulkins8306]

Makes me wonder if Uzui did the same with his blades since the holes look rather big...

[@Azazantei]

@@charlescaulkins8306 Honestly the fact that the Hole is that Big, and not only that also "Clean" makes me believe he probably commissioned it that way. Compare that to Inosuke Shredded Sword, you can see that not only it is Jagged well somewhat it also wasn't clean.

[@dbzenoluke]

@@RandomL0s3rit takes them like a week

[@Ren-lx8wv]

@@dbzenolukeNo it doesn't it takes months every time tanjirou broke his sword he waited a few months before getting a replacement.

[@Ser_Nathor]

I will always appreciate that no matter how ridiculous or outlandish the weapon, it's approached with a realistic and respectful manner to make it real. Not just a decorative piece but a functional and true piece of art. Ilya and Matt are without a doubt, the finest smith's I've ever seen and it's always a pleasure to watch them work and to be educated by them.

[@mikesanborn4541]

The staggering range of Ilya's skill set is truly remarkable.

[@KamenRiderGumo]

Indeed. I love watching the man work. I started watching the Man At Arms videos here on YT, then got into Forged in Fire and I freaked out when I saw Ilya show up there.

[@ThatOneBlacksmithGuy]

@@KamenRiderGumo as soon as he stepped onto the floor, i knew hed walk away winning. its Ilya.

[@tresenie]

He just needs to work on his forge toasting skils, it was a bit burned. But that's about the only thing i can think of.

[@sundaedream6088]

I still demand to see some of his paintings

[@jonathanyaloussa]

This is quite...flashy!

[@Azubjourni]

Dattebayo! Oh sorry wrong anime

[@AtharvDwivedi-vj1ns]

Grandiose!!

[@echofloodz0039]

After 6 years of being a student of this craft, Matt and Ilya remain my favorite teachers, by far. Thank you both for all you do!

[@echofloodz0039]

Nice try

[@GGxPrinceAli94]

This made me appreciate the swordsmith village arc even more. It’s so surreal and amazing when your favorite piece of art gets manifested into reality ❤

[@mezra4278]

This is what i miss seeing swords from pop culture. Thanks for your hard work it looks great!

[@abrashio]

This is why you guys are my favorite forging channel! Would love some historical Chinese or north African sword builds. Maybe a Gundao or a shotel

[@ThatWorks]

Thanks for watching and thanks for the suggestions!

[@frankdobs]

Nine ringed boardsword

[@fusedsins]

I really appreciate that you guys always go the extra mile to show the more realistic versions of some of these anime weapons. Everybody who watches anime should know how ridiculous some of these designs are. The fact you can capture such a close likeness with real techniques not paint and fake parts that would just fall off or fade if the weapon was actually used is why you guys are some of the best on the platform.

[@wanderingshade8383]

The fact that you guys used the big knife as a kitchen knife amazes me. Truly you are masters of your craft.

[@fratersanguinous9243]

You took one of my least favorite blades from the series and not only made it interesting, but absolutely beautiful. You guys are artists of the highest caliber.

[@ThatWorks]

Thank you Frater! At the start of the project we decided that we didnt have time to do another one of the Katana from the series. That's why we chose this one. In the end we spent almost the same amount of time on this as we would of a Katana...

[@unknownplayer7667]

Why is it least favorite? It looks tuff

[@verumsemita4333]

probably one of the best blades in KNY imo.

[@bu11ymaguire]

All the blades are same except tengens.

[@ThatWorks]

@@bu11ymaguire pretty much. There a couple dif ones

[@iansamson2718]

It goes to show that simplicity is always stunningly beautiful and flamboyant. Tengen Uzui would be very proud to have this piece of art.

[@zzmr_stretchzz8772]

my favorite thing about you guys even when you were at the other channel is that you didnt shy away from non traditional weapons nor did you complain. you did this because it was what you got into the job for creating art weather it be real or not, youve touched real weapons to stuff from movies and anime and games.

[@ozygoliath]

It is a privilege to watch Ilya work, the attention to detail, the dedication to a mostly forgotten art, the respect for traditional practices. Everything put together is a pleasure to watch an artist at work. On top of that everyone else's work is also amazing to watch.

[@hobbitbag8109]

После меча Танджиро очень ждал клинки Удзуя. Просто великолепная работа! Илья и Мэт, Ваш профессионализм и любовь к деталям каждый раз заставляют меня улыбаться.

[@HistoricalGeology56]

I love his sword the most out of all the swords in the show, absolutely stunning

[@kyohei1420]

鬼滅の刃ファンというだけでなく、しっかりと日本刀の構造、美しさを理解されて作っている姿に感動しました✨

[@tvblue3010]

A masterpiece of anime based forges. Thank you That Work crew. Looking forward to the other projects you have planned for 2023.

[@ThatWorks]

Thanks for watching! What should we make next? See what we have for sale ! thatworks.shop/store/ols/products

[@jimaustin3361]

саблю тамерлана

[@mrm0nty550]

Make Tozama from Jujutsu Kaisen. Maybe as a quick yotube short or something ( I literally have no idea how much time it'd take though)

[@Duckrabbit_Forging]

You should make a meteorite sword for @stakuyi because in one of his recent shorts (kzbin.infovOSW7dPi2BU?feature=share) he expressed a want for one

[@orionis5533]

True Zangetsu(dual blade) from Bleach: Thousand Year Blood War

[@dragneel77]

Roronoa zoro swords

[@bunnyman6442]

Damn i just remembered how underrated your skills are . 1k likes you guys deserve better skill like this takes decades to hone and yet people ignore such talent that you mastered through trial and error i hope this channel thrives in the near future

[@ThatWorks]

Thank you and I hope it does as well

[@covanentsbane]

Your commitment to traditional techniques and showing every step of the process to the best of your ability really is impressive. Keep up the excellent work

[@timbrwolf1121]

I imagine you have some of the best "all the way through" viewer counts on youtube. It doesn't really matter how long the videos get.

[@ThatWorks]

Sometimes we do and sometimes we don’t…

[@NLSkooch]

I am not a big fan of fantasy blades, but the way you guys use traditional techniques and explain everything along the way is great.

[@yotyytoy9294]

Exactly, I much prefer traditional blades or at the very least realistic blades. This is just dumb, beautiful and well made, but dumb.

[@paulbrooks4395]

I love how the blade has three color tones, and the delicious demo.

[@chamchamz98]

Ilya lecturing about rod iron and ancient smithing is always pure gold

[@adamwilder1407]

This is amazing and well made! Would love to see Rengoku's nichirin or the Dragon sword next 😲😲👌

[@zaldygallardojr.322]

Or maybe Rangiku Matsumoto's Haineko blade from "Bleach"... Greetings from the Philippines!

[@unfr007]

This is how (long) all your final reveals should have been :)) Lovely looking piece!

[@scoc253]

Tengen Uzui will be proud of this build. Bet he will sneak at night when no one is around to steal that art, besides he is a Shinobi. 💯👌🏽

[@saharkeydar9091]

The jokes at the end were brilliant, i dont feel a need to say this really but great work as always, this channel always truely lives up to the profession of blacksmithing, the techniques, history, and products are always stunning to me

[@noeltobitdelafuente5743]

Could you please forge someday a Zorro-inspired rapier using Damascus steel? Thank you and keep up the great work and content!

[@joshuaryals6358]

I love Ilya's work. it's my favorite, It's so traditional and old (for lack of a better word) it feels like I'm 100 years in the past watching a Master Smith at work

[@francobuzzetti9424]

i love this team , Ilya is the best smith I've seen and Matt is the best with the grinder!

[@ThatWorks]

You are too kind!

[@matheusdiniz6444]

Absolutely loved the video and the direction you guys took with this build!

[@jonathan0225]

always amazing seeing you guys work the fantasy build and definitely taking the time showing the process on camera.

[@MrCoolAttitude]

Would love to visit their forge and see Ilya at work. Truly a great craftsman.

[@lancemillward1912]

A lot of work in the planning and interpretation that paid off big time. Appreciate your hard work.

[@thomasbutts1]

Absolutely beautiful build... Thank you for your dedication and craftmanship and thank you for the long close-up shots ! The blades you guys make are all masterpieces and i think we all love to see them upclose and from every angle !

[@Apathymiller]

I think this is one of the best projects I've seen you guys do over the years. Very very well done and so close to source material!

[@ThatWorks]

Thank you! We tried to stay as close to the source material as possible, but also trying to give it a more "realistic" feel.

[@starnight34]

Even a year later and this is still one of the most perfect builds you guys have done, hit the mark perfectly for every step and reasoning! Keep doing what you’re doing guys! 🔥🔥

[@chandler2814]

Happy that these two still make stuff together. Remember the early days of the reforged channel and now they are here Keep up the good work

[@nathanjensen7825]

Fantastic work as always guys. These episodes that strike a balance between historical and pop culture always tend to be some of my favourites. As far as episode ideas go id really like to see a build that explores some unusual techniques that we haven't really seen from you guys before. Theres plenty of examples both pop culture and historical that i think could be good for that but the one that comes to mind at the moment is the Godskin Peeler from Elden Ring. I feel like between the shotel like blade, the double sided nature, the corkscrew like spike and the detailing on the handle and fittings that it would offer plenty of opportunities to do some really interesting work

[@Andrey_Nechaev]

Если в кадре Илья, значит видео будет офигенным!))

[@ProstoPofigist]

Hello from Russia, I watched all the seasons of this beautiful anime and I can say that the blacksmiths there love their work so much that they hid from everyone. But you...I don't even have the words to describe what you have created with your own hands. This is not just a large and weighty kitchen knife, it is above the usual word masterpiece. I have been following your channel for quite a long time and I can safely say that you are raising the bar of your splendor higher and higher. I wish you great luck and will continue to follow your channel)

[@RandomGuy0987]

Ilya is so skilled, damn. Ilya and Matt are the real deal. Legit.

[@crispy9566]

Incredible work! Not sure if I missed it, but how did the blade get that slight "golden" hue at the end? Speaking of end, that ending was hilarious :D

[@marcosaurelio8013]

Qualquer um pode Pintar um quadro, mas uma obra de arte dessas bem poucos, parabéns irmão você é um artista de verdade.

[@jamaicanbutter]

Love the video. Broke out into laughter at the text message and kitchen knife demo section. XD

[@nynelelizalde9575]

Ilya has always been my favourite since man at arms. Love to see him still doing this and clearly his passion shows.

[@meberra]

This blade turned out not only amazing but truly artistic

[@doxnoogle5782]

Awesome video, so much respect for Ilia, the classical music was a nice addition.

[@Ahlurglgr]

"Destroy all demons. Or sushi... I don't know" killed me

[@emoemi907]

Love the more “realistic” look you give the pop culture projects, they always turn out so cool!

[@bryantavery7822]

That is one of the most beautiful swords I've ever seen

[@siemiwidzi]

Watching Ilya forging&explaining is like watching wizard casting high-level spell for educational purposes :)

[@dibert9]

My favorite part of your videos isn't even the weapons. Its just amazing to see masters at work at their craft. The swords are cool but the masters are aweinspiring.

[@danielstellmon5330]

For me what makes this blacksmithing channel stand out from the others I watch is the history.

[@ThatWorks]

We appreciate that my friend !

[@geoshark12]

It honestly makes me happy seeing someone try to keep old techniques alive, you never know when they might become useful again or just simply a showing of how it used to be done and how we got to where we are now

[@innerpeacefindings671]

This is the most beautiful sword i have ever seen. Imagine real life Tengen holding this

[@NIKOanimation6578]

talk about the hard work of this guy just to make tengen sword and I'm so amaze of the result of your hard work

[@danieln6700]

This is the first video I seen on this channel. That's pretty cool. Looks like a found a new Chanel to binge. Tengen is badass

[@rogerlacaille3148]

Awesome seeing a full build again...been a while...thanks Guys

[@vermilliontoaster3063]

It’s crazy to see this man grow on KZbin. Lost the beard and is losing his accent. Talent is very much still there!

[@IsaacFNghost]

I wonder how much coal a craftsman goes through just to craft one piece such as this? I love these kinds of videos. Watching a master at work!

[@Thomas-ul6ic]

Ilya is truly a master of his craft, such dedication and skill. Truly beautiful.

[@wtl-juju]

great video guys! Tengen's swords were one of my favorites from the anime, I'm glad to see you guys put so much love and attention into this project, very well done

[@chewyakarieckenicholas6049]

It came out beautifully and I have to say that it seems to work well as both a sword and a kitchen knife great job

[@kiss4542]

The fact that Demon Slayer author was capable of imagining such a work of craftsmanship just alone all this weapons and their lore is crazy. Still, there are people who criticise this anime.

[@jonballard4453]

Dude the music that was used for this entire video was awesome but the music for the quench was especially well-suited it was absolutely perfect for that moment

[@joantomasprats4686]

I love it when you guys get silly. These endings are the perfect contrast for the thorough making process :)

[@ThatWorks]

It's important to remember to have fun.

[@benjaminbasler5387]

I have always appreciated you guys for keeping traditional methods alive. It shows how hard the legendary smith's worked to get what they had

[@hikariyuki1026]

I love how Illya is like, "yeah, it's a giant kitchen knife, but its still a sword 🙄"

[@chunksyy]

Thank you for sharing your craftsmanship with youtube again. I am always impressed with the historical context and understanding that accompanies your work in these videos. I would love to see more about your day-to-day work and what it takes to keep the bills paid in a trade like yours in the modern era.

[@kaizoebara]

The hot-dog-in-a-bun construction is called _warikomi_ (割り込み). _Sanmai_ refers to constructions where the blade steel layer goes all the way to the back.

[@ilyaalekseyev3589]

That is correct. I misspoke and didn't bother to correct myself after because westerners tend to understand sanmai much better than warikomi or kobuse

[@TJ_Kat]

I think that's what I like best about the pieces you guys make. You see other people who use paint or other impractical means to make their pieces look exactly like they do in the anime or video game they come from and they come off looking like cheap toys. On the other hand you guys use traditional methods to make a real world interpretation and as a result your pieces look... well, real.

[@genericsidecharacter8915]

Your interpretation of the edge is absolutely perfect. It looks so incredible and is such a good interpretation of the design.

[@ThatWorks]

It’s always a tough call. Some people will side with you or against you either way so why not choose the historical or proper way?!

[@FreviriousQuigby]

" 'destroyer of demons' ... or 'sushi' ... i'm not sure" 5 points for honesty

[@MrPinkfarts]

Great video as always. Loved the phone call portion. It was a great way to start my day, before heading into the shop. I just hope Tsetsco, shows up while I'm working. That would be cool.

[@FirefuryAmahira]

I laughed way more at the demo than I had any right to. 😂 Awesome build guys!

[@mertdalyan1134]

thanks for keeping such a tradition alive :D

[@MrKswagga159]

So glad to see IIya his skill is unmatched

[@bakerrlo5561]

The procedure of folding carbon steel (basically forging) are to adjust the carbon content percentage and to level the purity of steel from edge to edge. Steel forging removes impurities and repeating this would result with a steel that has a higher carbon content. (The higher the carbon content gets, more stiff the steel becomes) They create two types of steels one with high carbon content (0.03%～1.7%) called shell steel(皮鉄) one with low carbon content (0.01%～0.03%) called heart steel (心鉄) Katana Blacksmith pinpoints these percentage with the color of the glowing iron, the feel of the hammering and etc. Finally, they wrap heart steel with shell steel and this is what makes japanese katana very unique. With harder outer steel, they are capable of forming thinner and shaper steel. However, With just hard steel, it would make katana very fragile to the impact, so here comes the purpose of the heart steel which is impact absorption. The soft inner steel and hard outer steel makes katana very sharp yet durable. So what he is doing here is kinda what similar to the procedures of how japanese katana blacksmith takes, but completely different. I am not tryna despise his work, but i just wanted ppl to know that japanese katana forging techniques are very refined and unique.

[@juha-mattikoponen1625]

Ilya! I'm so happy to find you again. Now to binge all the other videos on the channel

[@pablo37284]

You are a true artist. Greetings from Argentina.

[@phillipturner657]

Side note..."IT WILL... MAKE A SANDWICH" said in the voice of Doug Marcaida. 😉 all jokes aside, I love it!

[@funkeymanx]

I love these blade builds, but I like the armor builds you guys do as well. Would like to see a series of armor builds to complete one whole suit. That would be badass. would probably take a year or more to complete.

[@xxpmpchmpnxx4442]

My absolutely favorite thing about your work is your traditional techniques and it has always been entertaining to watch and you explain so well

[@bitfreakazoid]

Another fantastic video! All the way from the actual craftsmanship in the sword, to the video itself with the filmography, editing, and music.

[@davidleedinwiddiejr3177]

Beautiful. Work. As always you. Guy's rock...

[@yagballs00]

God of blacksmithing!

[@nessesseda]

After the Man At Arms videos stopped (or even slightly before that), I lost touch with you guys. So glad to see you're doing your own thing. I'm eager to explore this channel.

[@blueastral6326]

"You made it in the final of this competition, which mean you're close to the title of the forge in fire champion and that 10 grand. Now We're sending you back to your home forge to build a iconic weapon from history. THE Uzui's Nichirin Blades"

[@r986c2]

4:49 Sounds a lot like something Dave form crossed heart forge would say. Really inspiring!

[@xavier2032]

Crazy 500k is no wherw near what this video deserves for the quality and cinematics of it

[@VenomBGR]

Iliya, didn't know you had your own channel, man! Good for you!

[@fridayeka4082]

That's the most beautiful kny sword i've ever seen

[@gasparallier7755]

hello from argentina, i follow your work on youtube since i was a child, you two are great artists and a great inspiration for me keep it up and sorry my basic english hahaha

[@Mombierella]

That's amazing! I love how you bring it to life by creating it just like it was imagined.