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The Undefeatable Swordsman

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Description

A weak and sickly boy, Song Woo-moon's condition worsens when he loses his mental capacities, owing to a painting gifted by a sage. He grows up as the 'village idiot', pitied by his own parents. But unbeknownst to everyone, his life is about to change soon, and a new destiny awaits him. When Song Woo-moon turns 20, not only does he have an epiphany, but an undefeatable martial arts power begins to bloom inside the painting. What could all of this mean for Woo-moon? And what strange world awaits him? k1at

Original Webtoon:
KakaoPage, Daum

Official Translations:
English, Japanese, French

Type

Manhwa

Related Series

The Undefeatable Swordsman (Novel) (Adapted From)

Associated Names

Bulpaegeomseon

El Espadachín Invencible

不敗剣仙

不敗劍仙

불패검선

Groups Scanlating

ManhwaFreak

PEPOPEP

RiohanLibert's Scan

Utoon

More...

Latest Release(s)

c.257 by Utoon 3 days ago

c.256 by Utoon 1 week ago

c.255 by Utoon 2 weeks ago

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Status in Country of Origin

248 Chapters (Complete) + Prologue

Side Stories: TBA

Completely Scanlated?

Anime Start/End Chapter

N/A

Reviews

N/A

Forum

0 topics, 0 posts

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Rating

Average: 6.8 / 10.0 (131 votes)

Bayesian Average: 6.7 / 10.0

11%

21%

25%

14%

Last Updated

May 9th, 2025 9:10pm PDT - 1 month ago

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Genre

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Categories

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Category Recommendations

The Terminally Ill Young Master of the Baek Clan

Black and White Martial Emperor

Warrior of the Darts and Flags

Nano Machine (Novel)

The Demon Faction's Return

Recommendations

N/A

Author(s)

Jeokha

Sung Dae-Wung [Add]

Artist(s)

Kim Chan-Young [Add]

Year

2020

Original Publisher

Daum

Kakao

Supercomix Studio

Serialized In (magazine)

Kakaopage (Kakao)

Daum Webtoon (Daum)

Licensed (in English)

Yes

English Publisher

Tapas

Activity Stats (vs. other series)

(-139)

(-293)

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(+325)

List Stats

On 749 reading lists

On 133 wish lists

On 28 completed lists

On 50 unfinished lists

On 135 custom lists

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Comments [ Order by usefulness ]

The dumbest crap ever

by xForeverNightx
1 year ago

Rating: N/A

Do you like eating paint chips off the wall ? Does the ti-pod challenge sound amazing to you ? Can you not figure out why the square doesn't fit into the circle hole ? Then buddy you just struck pure gold with this 1. Strap your velcro shoes up. For a mc who will believe anything and everything someone tells him, With a emotional mindset of a 5 year old, and a person who makes down syndrome look like a gift from the gods. Then this is hands down the comic for you!

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Plotline shifting focus

by Kawaii Neko
2 years ago

Rating: 5.0 / 10.0

The starting arc is good with all the martial arts and fights but as the story keeps going it's becoming more of a harem thing than a martial arts story. Too much of drama with the girls and I honestly hate these type of harem stories especially in martial arts one, like leave it in the fighting genre, why add all the unwanted romance and everything like the brotherhood thing is barely there. The fact that I liked it's initial chapters but as the story went on, it became too irritating with every few chapters being of a different girl one after another. And they didn't even mentioned a harem tag anywhere in other sites also.

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dropped at ch 149

by TiredandDeadInside
2 years ago

Rating: 3.0 / 10.0

I can't anymore with this story. So so so so gross. Maybe it's because I'm a woman that Frozen Flower Wedding arc is breathtakingly offensive AF to me.

Uh, you don't stay married to someone because they threaten to end their subscription to life for the exact same reason you do not stay married when you're toxic to each other "for the children". I'm incredibly disappointed in this story, this author and MC. Just. Holy. Shit.

Also, not a single one ed the Bechtel test. Zip. Zilch. Zero. Nada. That's...actually quite impressive. "Good job", author-nim. Good. Job.

And if this sexist bullshit isn't enough the men ALL can bring in disciples regardless of age or sex or race to their sects without marrying (ever) but a women-only sect, run by a woman, MUST marry in order to keep it populated? Even though it's obviously possible to adopt (Exhibit A: Pointless Red Headed Crybaby, Secret Daughter of Sect Leader) to continue the sect into the future?

AndandandAND rape as a backstory?!?!!!! FFS, bruh. Ew.

Still, I appreciate the translator's, editor's and veryone's hard work on this series. It's obviously a labor of love to have come this far. Thank you so much for all your time and effort on this if you read this review!

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Really starts well, sadly become like just another story later...

by VaizardPlayer
2 years ago

Rating: 2.0 / 10.0

This one have a nice start and the quality keeps to some time, sadly really changes later and you really start to thinking things about "how become like that"? or "why the change of pace if before was good?"

Edited after Chapter 164 -
Forget about this one, even I can't read this anymore, this can't even get a good ending after all changes.

... Last updated 2 years ago

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Starts very well, becomes mediocre

by Y_Sasuke
2 years ago

Rating: N/A

After the very good first arc the pace increases until everything feels weird. Like you are reading the spark notes of a stroy. More and more of the story involves bizzare coincedences and weird decisions, especially in the last arc.

Some annoyances and major spoilers :
In the second major arc, it is weird the grandfather left them to basically die instead of just killing two people that are quite clearly evil, which would have taken maybe 5 minutes. He could at least hide for a month to see what happens when he "left", it would have been enough. He messed in just this way before and shows zero growth. The fact Woo-Moon did somehow win in the end is only due to plot armor. It was very unlikely and hence insane action on the part of the Grandfather. The fact the mother was completely useless in the story is a bit sad.

The last arc is even more contrived. First of all, the younger disciple is pulled in completely by chance. Then this is discovered weeks after as she leaves just a day before Woo-Moon returns. Then even though she zombie walks for several days he somehow doesn't catch up only to arrive at just the right time to the right place, which also happens to the grandfather (let's say at least he was looking for Mucheon whatever guys) and the spear guy who appeared completely at random.

Then they fight, and Woo-Moon randomly goes a very convenient coma which makes him separate from Mara and become five times more powerful. That is just bad writing.

And these kind of random encounters continue to be the backbone of the story. They don't just happen, this is all that happens. When Woo-Moon was just about to start his complicated plan for fighting the Sand guys, he enconuters an insanely powerful person who is already hell bent on destroying those same people and both of them would have likely been enough, but instead of telling him his planm, he lets him leave without attempting anything when the other has a PTSD episode and stumbles away due to the mention of the word "comrade" O_o.

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New manhwa enjoyer

by TheBigSad
2 years ago

Rating: 3.0 / 10.0

I really liked it at the start but at around chapter 70, I found a lot of the decisions the MC and the other people on his side (don’t want to spoil) don’t make a lot of sense. Maybe I’m just an idiot who wants the MC to kill every enemy he encounters but so many problems could have been avoided by just simply killing 2 or 3 people right after they tried to kill him themselves. 🤷♂️

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Could no longer read

by Chilled SDK
3 years ago

Rating: 5.5 / 10.0

Has a really interesting start but loses its uniqueness from around chapter 30 onwards. There isn't really any storytelling, any event is just another way for the MC to win and get stronger in the most predictable way. I tried to give it a solid chance, but I eventually got bored around ch 85.

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not the best nor the worst

by jom95
3 years ago

Rating: 6.0 / 10.0

about the art, there is a problem with the characters' expressions and using shadows. The characters look like villains or gloomy many times unnecessarily. about the story, I have read many similar ones. CN novels are full of this kind stories where the plot development is random, poorly executed and depend on luck elements too much. The dialogues are full of too much nonsense, I always skip them

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Good read

by commonelk
4 years ago

Rating: 8.0 / 10.0

This manhwa is not a masterpiece, but it does avoid the pitfalls of many other manga/manhwa, and the characters have a lot of substance to them. This manhwa is solid overall and easy to binge in a sitting or two. I wholeheartedly recommend it.

... Last updated 4 years ago

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