Mushoku Tensei III: Fans Finally Get Why Roxy Skipped the Trip — 5ch: ‘Demons Aren’t Allowed’

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The story

Following the broadcast of the anime “Mushoku Tensei III,” threads buzzed with questions about the royal family’s murderous power struggles, why Roxy didn’t join this expedition, and whether portraying the Demon Continent’s language as an untranslated mystery tongue was the right call.

History buffs brought up Japan’s ancient Jinshin War for comparison, while others traced the lineage of “characters desperate to return to their original world” across isekai reincarnation and transportation stories — altogether a lively deep-dive into the show’s worldbuilding.

What people said

1AnonymousAug 21, 2026 02:52
↑ When starting a new thread, don't forget to include this line 3+ times:
Something precious, found after standing back up.
―――――――――――――――――――――――――――――――
10AnonymousAug 21, 2026 07:35
Thanks for starting the thread!
Why doesn't Ghislaine ever spill out (of her outfit)?
Let's discuss!
11AnonymousAug 21, 2026 08:02
Re: #10
https://x.com/isiyumi/status/1604133945016483840
"Guardian Ripuru" (fan art caption/pun)
https://pbs.twimg.com/media/FkMHTJPaAAE3lRM.jpg:large
16AnonymousAug 21, 2026 09:10
Re: #11
This is amazing! What an invention!
19AnonymousAug 21, 2026 09:20
Re: #16
Apparently there are quite a few spells used in similar situations
https://pbs.twimg.com/media/FkMIh8CaYAABVLm.jpg:large
115AnonymousAug 22, 2026 19:55
Whoa, Ariel's only up until tomorrow!

https://x.com/mushokutensei_A/status/2091001285164355755
Last week's live ABEMA special
[Commemorating the start of "Mushoku Tensei III's" new arc —
Onward to the Aerial Fortress Chaos Breaker!]
Free archive streaming until tomorrow, Sun 8/23, 21:00!
https://pbs.twimg.com/media/HQS52xkaUAAFbEP.jpg:large
135AnonymousAug 23, 2026 08:46
For some reason the royals in Mushoku Tensei just end up killing each other.
In reality, even when rivals clash, it rarely escalates all the way to murder.
Is this just some odd assumption on the author's part?
Rivalry instantly turns into a killing spree.
138AnonymousAug 23, 2026 09:05
Re: #135
Probably only Ariel is actually at risk of being killed — the other rival candidates likely won't go that far (probably just lifelong house arrest).
146AnonymousAug 23, 2026 09:49
Re: #135
The Ottoman Empire seriously did stuff like that, and so did that thing from Hunter x Hunter.
152AnonymousAug 23, 2026 11:49
Re: #135
Even in ancient Japan, the princes of Emperor Tenmu's line ended up wiping each other out, and after losing the Jinshin War, succession reverted back to the previously sidelined line of Emperor Tenji.
Royals and nobles killing each other really is just history as usual.
137AnonymousAug 23, 2026 09:05
That assassin girl who got sent flying in season 2 was seriously skilled too.
https://pbs.twimg.com/media/F0W5yhkaUAI6vlo.jpg
Night-Eye Hawk
In the novel and manga it's "Crow"
I mean, crows can obviously see at night too, right? lol
https://pbs.twimg.com/media/F0W5z6kacAI3xxe.jpg
227AnonymousAug 24, 2026 00:40
Why didn't Roxy come along?
She speaks the demon language and is used to traveling —
she'd be the most reliable one to bring.
228AnonymousAug 24, 2026 00:42
Re: #227
Because demons aren't allowed into the teleportation magic circle.
230AnonymousAug 24, 2026 00:42
Huh, Calorwente and Almanfi have the same voice actor.

Re: #227
The teleport route goes through Chaos Breaker
No demons allowed
231AnonymousAug 24, 2026 00:43
Re: #227
To reach the Demon Continent you have to use the teleportation magic circle in kindly old Perugius's aerial fortress (that's the underground-looking scene right before arriving at the continent), but Perugius — who absolutely refuses to tolerate demons — won't let Roxy into the fortress, so she can't come along.
276AnonymousAug 24, 2026 01:43
Re: #263
I've got a feeling maybe time flows differently between his original world and this one, and only growth/aging follows the original world's timeline.
> She knew about Ariel, right?
Now that you mention it, yeah, that's true too…
277AnonymousAug 24, 2026 01:46
Nope, that's not it. Go ahead.

285AnonymousAug 24, 2026 01:52
Re: #276
Well, who knows…
It's possible…

Re: #277
Yeah, true, that's not it!
288AnonymousAug 24, 2026 01:56
Re: #277
Hard to believe this is even the same series.
This guy's living in a completely different world from everyone else.
290AnonymousAug 24, 2026 01:59
"Mushoku Tensei III: Jobless Reincarnation" TV Anime Official
@mushokutensei_A
"#MushokuTenseiIII"
Appearing in Episode 9, "Wailing"!!
Yuruzu the Atoner, one of Perugius's Twelve Familiars.
Voiced by #IkumiHasegawa.
https://pbs.twimg.com/media/HQOJBGbaMAAlQhf.jpg:large

↑ That's Übel from Frieren
and Kiriko from Iron Wok Jan
354AnonymousAug 24, 2026 08:00
Had the same thought back in season 1 — having the Demon Continent language come out as an untranslated mystery language is a questionable creative choice…
369AnonymousAug 24, 2026 08:39
Re: #354
Wasn't Nokopara's dialogue entirely in the demon tongue?
Atofe was speaking demon language in the PV too.
Kind of wish that once Rudeus switches over, Atofe would just talk normally, sounding like Japanese to us.
Zanoba and the others can stay in human language at that point, lol.

That's what happened when he reunited with Nanahoshi wearing the white mask —
only Sylphy got switched to human language.
She's actually speaking demon language the whole time normally.
454AnonymousAug 24, 2026 11:41
Re: #354
Setting aside whether the multilingual staging was even necessary, Nokopara's voice actor's performance was really great.
465AnonymousAug 24, 2026 12:05
Re: #354
Whenever there's a character present who can't understand the language, it's mystery language plus subtitles.
But like when Roxy went back home and there was nobody around who didn't understand it, they just do it in plain Japanese.
398AnonymousAug 24, 2026 09:33
Putting a little girl in a sexy outfit in this day and age…
Shows like this are an embarrassment to the Japanese anime industry.
400AnonymousAug 24, 2026 09:34
Re: #398
Yeah, exactly.
They should be putting it on Nanahoshi or Eris instead…
401AnonymousAug 24, 2026 09:35
Re: #398
Huh, right.
Now that I look closely, Lady Kishirika's outfit is pretty racy too.
406AnonymousAug 24, 2026 09:44
Re: #398
That's exactly why they play up Kishirika as such an over-the-top gag character.
488AnonymousAug 24, 2026 13:01
Is it actually rare for a reincarnation-story protagonist to try this desperately to get back home?
491AnonymousAug 24, 2026 13:19
Re: #488
"The Rising of the Shield Hero" —
I recall it was something like, defeat the enemies, save the world, and you get to go home.
Though how it actually ends is a mystery to me.
492AnonymousAug 24, 2026 13:21
Re: #488
Nanahoshi's case is a "transportation," not a reincarnation.
Among transportation stories, plenty of series have characters desperately trying to get home — like "Arifureta," "Instant Death Cheat," "Reject Class," etc.
494AnonymousAug 24, 2026 13:24
Re: #488
"Woltania War Chronicle"
It's a transportation story.
The protagonist does wail "I can't go back! I can't go back!"
Though he's just a regular DK (high school boy).
510AnonymousAug 24, 2026 14:13
It's kind of odd that with dragonkin, elves, and demons all around, only the Man-God gets to exist, right?
Maybe the other races have their own gods too, and the Man-God lost to them, so now he's manipulating Rudeus through prophecy as revenge for something from the past.
517AnonymousAug 24, 2026 14:36
Up through "The Familiar of Zero," desperately wanting to go home really was the standard theme, huh~
I guess it was really Konosuba and Tensura that changed that.
Even "Shambala wo Yuku Mono" had a shocking ending for its time.
521AnonymousAug 24, 2026 14:40
Re: #510
There's Orsted the Dragon God, y'know!
Lord Perugius said the demon god Laplace is coming back — is that even for real?!

Back in season 1, after getting wrecked by Orsted, when he explained the situation to Ruijerd, Ruijerd said something like "The Ancient Six Gods, huh. Hard to believe right away, but I doubt you're lying," so the Ancient Six Gods probably did exist.

Re: #517
In Tensura too, Rimuru's a reincarnator so he doesn't really want to go back (since he knows he's dead, going back isn't even an option), but the transported/summoned girl from Falmuth did want to go home.
Another transported character mentioned that the curse-word kept her from acting freely enough to even explore ways of getting back.
582AnonymousAug 24, 2026 17:07
Re: #517
Tensura isn't an "isekai transportation," it's an "isekai reincarnation via death," so going back to the original world wouldn't really mean much anyway —

that said, the ending is technically a "return home" ending, isn't it.

Though it might just be a pseudo return home.
607AnonymousAug 24, 2026 18:13
Re: #517
Konosuba's the same — he's dead too, so going back wouldn't mean much.
686AnonymousAug 24, 2026 21:59
Guess his hair and nails didn't grow.
Finally feels like the story's moving forward.
He's not bringing his master along, even though it's her hometown?
The horse doesn't remember him.
That was found awfully easily.
690AnonymousAug 24, 2026 22:07
Re: #686
Come on, Nokopara's shown up plenty of times already~

759AnonymousAug 25, 2026 00:55
Well, Rudeus's whole story is literally "Jobless Reincarnation" after all.
https://m.media-amazon.com/images/I/81OZnAhp5TL.jpg

Background and Key Points

Mushoku Tensei’s premise — a man reincarnated as Rudeus into a fantasy world after dying in disgrace — belongs to a specific Japanese genre split the thread itself invokes: “tensei” (reincarnation, usually via death, as in this show and Tensura/Konosuba) versus “isekai” transportation (summoned or dropped in alive, as with Nanahoshi here, or in Shield Hero and Zero no Tsukaima). That distinction matters because it determines whether “going home” is even a coherent goal — the dead can’t really return, which is why posters note Rimuru and Kazuma’s homesickness is moot while Nanahoshi’s is not. The royal-succession violence discussion leans on a real reference: the Jinshin War of 672 CE, in which Prince Ōama defeated his nephew Ōtomo for the throne after Emperor Tenji’s death, with succession later reverting to Tenji’s line — a genuine precedent for the lethal infighting the show depicts, not just authorial exaggeration.

The thread’s actual disagreement is narrower than “is royal murder realistic” — it’s about the demon-language staging: whether rendering Demon Continent speech as untranslated gibberish is a defensible device (used only when a non-speaker is on screen) or just inconsistent, since scenes without an outsider present switch back to plain Japanese for viewer convenience, as posters point out with the Roxy homecoming example.

What outside readers will likely miss: this is season three of an adaptation with a large, already-published web novel/light novel backlog, so plot mechanics like the anti-demon teleportation circle or Perugius’s exclusionary fortress aren’t improvised fan theories — they’re established worldbuilding the Japanese audience already treats as canon, not open questions.

*This article is compiled from excerpts and summaries of the 5ch (Anime board) thread 「[NO SPOILERS] Mushoku Tensei ~Jobless Reincarnation~ 137」.

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