August 19, 2026 · 15 min read · Episode guide · Episode 22 · Kagex Blog

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One Piece Episode 403 Review — An Even Stronger Enemy

Anime hub: One Piece · Sabaody Archipelago

Contains spoilers for this episode.

One Piece Season 11 Episode 22 An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru official promotional art
Official promotional art. © Eiichiro Oda / Shueisha / Toei Animation

Kagex rating: 7.9 / 10

Episode: Season 11 · Episode 22 — “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” (overall #403)

Air date: May 31, 2009 · Runtime: ~24 minutes · Studio: Toei Animation

One Piece Season 11 Episode 22 “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” is overall TV episode 403, sitting inside the Sabaody Archipelago stretch. This Kagex page is a full destination review: spoiler-free watch advice first, then a synopsis-grounded recap, scores, and whether you should keep the binge moving.

Previous: Season 11 Episode 21 — Overwhelming! The Navy’s Fighting Weapons, the Pacifistas · Season: Sabaody Archipelago season review · Hub: One Piece

Hook

One Piece does not ask you to judge a single episode like a movie. It asks whether this 24-minute brick still earns its place in a voyage that already spans more than a thousand chapters of ambition, friendship, and absurd escalation. “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” is one of those bricks inside Sabaody Archipelago — the Wikipedia/TV season that covers overall episodes 382–407.

If you only chase peak fights, weekly Toei storytelling can frustrate you. If you care how crews, islands, and rival fleets accumulate pressure, this installment is part of the load-bearing middle (or opening, or climax) of that season’s job. The question this page answers is simple: should a sequential viewer watch “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru,” and what does it actually change?

Kagex scores below are for this episode only — not a grade for the entire Sabaody Archipelago saga and not a grade for the manga chapter it adapts.

Quick Information

  • Anime: One Piece
  • Season / Episode: Season 11 (Sabaody Archipelago), Episode 22
  • Overall TV number: 403
  • English title: An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru
  • Runtime: ~24 minutes
  • Studio: Toei Animation
  • Original air date: May 31, 2009
  • Arc keywords: Sabaody Archipelago Celestial Dragons
  • Kagex score: 7.9 / 10
  • Where to watch legally: Crunchyroll / Netflix / region-dependent official platforms
One Piece official banner art for Season 11 Episode 22
Official banner art. © Eiichiro Oda / Shueisha / Toei Animation

Should You Watch It?

Yes if you are watching One Piece in order through Sabaody Archipelago. Skipping “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” creates holes later episodes assume you already felt — crew chemistry, island rules, or the specific threat language of this stretch. One Piece’s weekly format rewards sequential viewing more than almost any other long-running shonen.

Beginner-friendly as a random start? No. Start at Season 1 Episode 1 or use the anime hub / overall review to decide if the franchise is for you. Dropping into overall #403 cold will feel like arriving mid-conversation on a ship that already chose its captain.

Who enjoys this kind of episode? Viewers who like adventure escalation, crew banter, Devil Fruit creativity, and long-form payoff. People who only want condensed “canon movie” edits may bounce on talkier or travel hours — fair, but that is a preference about pacing, not proof the episode is worthless.

Bottom line: sequential fans should watch “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru.” Fight-only skim culture will underrate quieter setup inside Sabaody Archipelago. If you already bounced hard on Toei’s post-timeskip pacing elsewhere, judge this hour on its own beats after the spoiler line — not on internet averages.

Spoiler Warning

Spoilers for One Piece Season 11 Episode 22 (“An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru”) follow. Stop above for a clean first watch. This page does not spoil later seasons beyond light “what to expect next” framing.

Story Recap

Recap below is grounded in publicly listed episode synopsis text for overall #403. Where synopsis coverage is thin, Kagex refuses to invent fight choreography or dialogue.

Ordinary Voyage

A Pacifista identifies Eustass Kid and Trafalgar Law and they dodge a blast. Law then sets up a Room, but the Pacifista fires a laser, forcing him to dodge. More Marines then arrive, surrounding the pirates. Jean Bart orders Bepo to help him fight the Pacifista and they dodge a light blast. Killer cuts the Pacifista’s leg. Kid gathers metal objects, blocks a large blast, and then repels them, stopping the blast. Law then realizes that something is off about “Kuma”. The camera still prioritizes Toei’s weekly adventure rhythm: setup, clash or comedy spike, then a push toward the next decision. Watching “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” in order matters because Sabaody, Archipelago, Celestial context from earlier Sabaody Archipelago episodes is assumed, not re-explained from zero.

Unexpected Incident

Meanwhile, the Straw Hat Pirates are at a disadvantage, unable to scratch the Pacifista. Roronoa Zoro moves forward and attempts an attack, but then, Tony Tony Chopper bombards a Blizzard Rose onto the Pacifista. Franky then uses a Strong Hammer to deflect a blast and punches with Franky Boxing before being knocked back. Nico Robin then uses a Spider Net to catch her friend. Brook climbs a tree and attempts to drop a Swallow Bond en Avant on the Pacifista with no effect. Usopp then shoots an Atlas Comet, stunning the Pacifista and the groups run off. The camera still prioritizes Toei’s weekly adventure rhythm: setup, clash or comedy spike, then a push toward the next decision. Watching “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” in order matters because Sabaody, Archipelago, Celestial context from earlier Sabaody Archipelago episodes is assumed, not re-explained from zero.

New Pressure

Suddenly, the Pacifista falls down as explosives seem to have effect. Franky realizes the Pacifista is modified. Nami tries to run but is marked until Robin uses a Shock to pound the cyborg. The navigator then charges and fires a Thunder Lance Tempo, which only makes the cyborg fire wildly. The camera still prioritizes Toei’s weekly adventure rhythm: setup, clash or comedy spike, then a push toward the next decision. Watching “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” in order matters because Sabaody, Archipelago, Celestial context from earlier Sabaody Archipelago episodes is assumed, not re-explained from zero.

First Discovery

Sanji then uses Diable Jambe and uses a Flambe Shot, sending the Pacifista towards Zoro who uses the Asura Nine Lightning Strikes. Luffy then uses Gear 3 and the Gum-Gum Giant Rifle to give a final blow, causing the Pacifista to shut down. Luffy shrinks from his usage of Gear 3 yet again and the crew rests. Nami hopes the cyborg will not wake up. The camera still prioritizes Toei’s weekly adventure rhythm: setup, clash or comedy spike, then a push toward the next decision. Watching “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” in order matters because Sabaody, Archipelago, Celestial context from earlier Sabaody Archipelago episodes is assumed, not re-explained from zero.

Important Encounter

Robin insists on taking the Marines one after another. Franky seems to think the Kuma-like cyborg was made with living tissue. Sanji wants to find a place to hide, but then, a voice calls out that they had some nerve. The camera still prioritizes Toei’s weekly adventure rhythm: setup, clash or comedy spike, then a push toward the next decision. Watching “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” in order matters because Sabaody, Archipelago, Celestial context from earlier Sabaody Archipelago episodes is assumed, not re-explained from zero.

One Piece key visual relevant to Season 11
Official key visual. © Eiichiro Oda / Shueisha / Toei Animation

Story Analysis

“An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” works or fails based on how clearly it advances Sabaody Archipelago. One Piece seasons are long by design: East Blue builds the crew, Grand Line seasons teach that every island has a rule, and later New World blocks turn those rules into wars. Episode 22 of Season 11 is one turn of that machine.

Pacing-wise, Toei’s TV adaptation mixes comedy buffers, travel, and confrontation. That can feel padded if you arrive from a manga binge, and it can feel generous if you want character reactions to breathe. Kagex does not pretend every minute is peak sakuga. We ask whether the hour changes stakes, relationships, or information. In Sabaody Archipelago, the recurring keywords — Sabaody Archipelago Celestial Dragons — tell you what kind of change to look for.

Emotionally, One Piece sells sincerity harder than irony. Luffy’s dream is constant; the supporting cast rotates which wound is bleeding. If this episode centers a crewmate, an ally, or an antagonist philosophy, the comedy is usually the sugar that makes the conviction drinkable. That tone is a feature for fans and a bug for viewers who want grimdark consistency.

Structurally, overall #403 sits between “Overwhelming! The Navy’s Fighting Weapons, the Pacifistas” and “Admiral Kizaru’s Fierce Assault! The Straw Hats Face Certain Death!”. Read it as a chain link. The best weekly episodes make the next title card feel inevitable rather than arbitrary.

Compared with shorter modern cours, One Piece asks for patience. The trade is cumulative awe: when Sabaody Archipelago finally detonates, earlier “small” hours become receipts. “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” should be graded as one of those receipts, not as a standalone film.

Character Analysis

Monkey D. Luffy

Luffy remains the engine: simple desire, elastic tactics, zero interest in looking cool while winning. In “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru,” watch whether he drives the incident, reacts to someone else’s crisis, or refuses a compromise that would be “smart” in any other series. His consistency is the point — the world escalates around a captain who will not shrink.

Straw Hat crew and allies

Sabaody Archipelago typically spotlights different crewmates depending on island rules. Zoro and Sanji handle violence and pride; Nami handles navigation and leverage; Usopp handles fear turning into courage; Chopper handles medicine and empathy; Robin handles history; Franky and Brook (when present) handle heart and hardware; Jinbe later handles tides and conscience. This episode’s title — “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” — is your hint for who the hour thinks matters.

Opposition / island forces

One Piece antagonists are rarely empty HP bars. They embody a philosophy: absolute justice, inherited will, stolen freedom, or a kingdom’s ugly compromise. Inside Sabaody Archipelago Celestial Dragons, expect the opposition to teach the crew a rule of this sea. Even a mid-arc hour should clarify what winning would cost.

One Piece promotional art Season 11
Promo art. © Eiichiro Oda / Shueisha / Toei Animation

World Building

World rules visible in Season 11 Episode 22 stay local: how this island’s weather, government, Devil Fruit oddity, or cultural taboo constrains the crew. Sabaody Archipelago is the container; “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” is one room inside it.

One Piece lore is famous for long payoffs, but this page will not smuggle future reveals into Episode 22. If a name, poneglyph vibe, Marine rank, or Yonko shadow appears, treat it as atmosphere unless the synopsis shows it acting now.

Geography still matters. Grand Line navigation, Calm Belt fear, New World weather, and Warlord/Emperor politics are not flavor text — they decide whether a plan is brave or stupid. When “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” moves the map, it is doing franchise work even if no one throws a named ultimate attack.

Power systems stay playful: rubber, swords, weather, souls, cyborg tools, fish-man strength, and haki (when the timeline has introduced it). The episode’s job is to show a creative use or a hard limit, not to publish a wiki tier list.

Animation Review

Toei’s One Piece TV look has eras. Early East Blue is simpler and charming; Water Seven/Enies Lobby peaks still define a generation; Dressrosa and Whole Cake have famously uneven weeks; Wano and post-Wano often swing between ambitious key animation and cost-saving holds. Season 11 (Sabaody Archipelago) should be judged against its own production moment, not against a theatrical film.

For “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru,” expect the usual TV priorities: readable action, expressive faces, and comedy timing. When budget concentrates, impact frames and effects work carry the memory. When it does not, character acting and layout still sell sincerity. Kagex animation score 7.6 / 10 reflects peaks vs comfort cuts for this hour — not a YouTube sakuga compilation ranking.

Direction matters as much as raw drawings. A well-timed reaction shot after a brutal line can outrank a busy but empty clash. One Piece thrives when the camera respects silence between punches.

Music and Voice Acting

Score 7.7 / 10. The franchise’s needle drops — We Are!, brand-new world, hopeful themes, and island motifs — train your nervous system. Even without listing every OP/ED cour change, “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” either rides that recognition or undercuts it with quiet strings.

Japanese performances remain the reference: Luffy’s bright stubbornness, Zoro’s flat steel, Nami’s snap, Sanji’s theatrical flail, Chopper’s soft panic, Robin’s calm dread. English dubs vary by era; do not wait on a preferred track to judge story.

Sound design for impacts, crowd panic, and ocean weather does invisible work in voyage episodes. If this hour is talk-heavy, listen for how silence frames the joke or the confession.

Hidden Details

  • Title card language in “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” often telegraphs the emotional thesis before any punch lands — read it as a chapter heading, not marketing fluff.
  • Background crew reactions during big speeches are where Toei hides continuity affection; pause if you collect those.
  • Island signage, wanted-poster updates, and newspaper fragments sometimes preview pressure without a monologue.
  • Food scenes are not only comedy — they mark safety, scarcity, or Sanji’s caretaking role inside the arc.
  • This page stays inside Episode 22; if a detail only makes sense after later episodes, it is not listed here as a “gotcha.”

Best Moments

  • Title promise: the hour’s clearest delivery of what “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” claims on the tin.
  • Crew beat: a character choice that could only happen because earlier Sabaody Archipelago episodes happened.
  • Opposition beat: a line or tactic that clarifies the island’s rule set.
  • Tone swing: comedy into sincerity (or the reverse) without breaking Luffy’s core voice.
  • Exit hook: the final push toward “Admiral Kizaru’s Fierce Assault! The Straw Hats Face Certain Death!” that makes continuing feel obvious.

Pros and Cons

Pros: Sequential clarity inside Sabaody Archipelago; title-led focus; franchise sincerity; cumulative world pressure around Sabaody Archipelago Celestial Dragons.

Cons: Weekly TV pacing can feel slow beside manga speedruns; animation quality varies by era; not a cold-start episode for new viewers.

Final Verdict

Kagex overall: 7.9 / 10 — “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” is a solid sequential stop in Sabaody Archipelago — worth watching in order if you care how the Sabaody stretch builds, not a random highlight-reel skip.

  • Story: 8.0 / 10
  • Characters: 8.2 / 10
  • Animation: 7.6 / 10
  • Music: 7.7 / 10
  • Enjoyment: 7.7 / 10
  • Overall: 7.9 / 10

Watch it in order. Grade it as a voyage brick. Then decide whether Sabaody Archipelago still has you — not whether a random clip account clipped the coolest five seconds.

What to Expect Next

Next up is Season 11 Episode 23 “Admiral Kizaru’s Fierce Assault! The Straw Hats Face Certain Death!” (overall #404). Expect the Sabaody Archipelago pressure to continue without needing spoilers beyond that title.

Next: Season 11 Episode 23 — Admiral Kizaru’s Fierce Assault! The Straw Hats Face Certain Death!. Watch legally on official platforms.

FAQ

Do I need to watch One Piece Season 11 Episode 22?

Yes if you are on the main TV track through Sabaody Archipelago. Skipping “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” usually costs context, not just “filler vibes.”

What is the overall episode number?

Overall 403. Season-local number is Episode 22 of Season 11 (Sabaody Archipelago).

When did it air?

May 31, 2009 in Japan (where listed). Runtime ~24 minutes. Studio Toei Animation.

Is this filler?

Season 11 is labeled Sabaody Archipelago on the Wikipedia TV season map Kagex uses. Some seasons include TV-original blocks (notably Season 5). Judge “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” by whether it advances crew or island stakes — not by a stranger’s filler spreadsheet alone.

Where should beginners start?

Season 1 Episode 1. Use the hub and overall review for worth-watching framing.

Where is the season review?

One Piece Season 11 review — Sabaody Archipelago.

Does this spoil later arcs?

Deep sections spoil Episode 22. They avoid future-season dumps. “What to Expect Next” stays title-light.

Where are facts / spoilers for the franchise?

Fact and Spoilers on the hub. Episode pages stay local.

Who writes these?

Kagexbloging — casual, honest anime coverage for readers deciding continue / skip / binge.

Where to watch legally?

Official platforms vary by region (commonly Crunchyroll and Netflix for One Piece). Avoid illegal streams.

Keep exploring

Your turn

Was “An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” a continue episode or a skip-risk for you? Which crew beat hit hardest? Are you riding Sabaody Archipelago weekly or bingeing?

Sources: Wikipedia List of One Piece episodes (22 TV seasons); One Piece Wiki episode summaries where available; official Toei / streamer listings.

Our reaction

Spoiler-aware take after the recap — how the episode felt to watch.

7.9/10

“An Even Stronger Enemy Appears! The Battle Axe-Carrying Sentomaru” is a solid sequential stop in Sabaody Archipelago — worth watching in order if you care how the Sabaody stretch builds, not a random highlight-reel skip.

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