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Demon Slayer Sword

a small market ($10K/yr) — Demon Slayer Sword doesn't clear our bar today.

Flapen Score

48
Skip it
Market size 2Growth 13Conversion 5Competition 73Returns 87Price range 74Avg price 95Brand share 70Review moat 91Quality gap 58
This niche Category average

Is Demon Slayer Sword profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Demon Slayer Sword is a £10K/yr Amazon United Kingdom market (114K searches/yr). The top 5 brands hold 63% of demand. Verdict: Skip it — 48/100.

Demon Slayer Sword: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -23.6% over the last 90 days and 0.4% of searches end in a purchase.

£10K

revenue / yr

Units sold / yr1K
Search volume / yr-23.6%114K
Conversion rate0.4%
Avg price£23.99

Who owns the niche?

The top 5 brands hold 63% of demand, so 37% of the market is open.

37%

open market share

Brands · sellers16 · 22
Top-5 product click share41%
Open market37%
Avg brand age30 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.

0/100

page quality · 31 products

Sponsored placement71%
New entrants (1y)9· 0 succeeded
Avg rating4.4★
Avg reviews184

Top Demon Slayer Sword products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.

£0£295£590£885£1K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

Brands

16 rising

Sellers

22

Top-5 brand share

63%

Top 20: 100%

Top-5 click share

41%

Top 20: 91%

Open market

30%

  • Loocaa18%
  • Udekit18%
  • KHHK10%
  • 57 SPECIAL REPLICAS9%
  • Weeb Keychains9%
  • Kimimara7%

Demon Slayer Sword demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume114KCVR0.4%Products31Brands16Top 5 Brands63%OOS Rate13.4%Rating4.4★Reviews184Avg BSR#733
3K2KDec '25Feb '26Mar '26Apr '26May '26Jun '26

Top Demon Slayer Sword search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • demon slayer sword77K/yr
  • anime sword15K/yr
  • demon slayer katana12K/yr
  • demon slayer swords10K/yr

What reviews say buyers love and hate about Demon Slayer Sword

What buyers mention most, as a share of all reviews.

What buyers love

87% of reviews
Quality-Overall44%

Amazing quality

Value For Money8%

Best value for Cosplay props

Advertised Vs Actual Product8%

as expected

Design-Overall6%

I really like the design on this sword though I didn't finsh it

Size-Overall6%

Good size

What buyers complain about

67% of reviews
Quality-Overall25%

Quality not great

Assembly/Installation20%

found that the main components to build it were wrong

Print Quality7%
Value For Money5%

Value for money awful

Size-Overall5%

could definitely be bigger for an adult

Demon Slayer Sword return rate & reasons

Why buyers send it back, as a share of all return requests.

1.4%

Return rate

23%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Defective Material/Parts
22%
2Quality-Overall
17%
3Size-Overall
13%
4Advertised Vs Actual Product
6%
5Assembly/Installation
6%

Common Demon Slayer Sword questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Demon Slayer Sword 48/100 on Amazon United Kingdom — Skip it. The niche generates £10K/yr across 31 tracked products. 0 of 9 products launched in the last 360 days are still selling. Search demand moved -23.6% over the last 90 days.
Demon Slayer Sword buyers on Amazon United Kingdom complain most about Quality-Overall, Assembly/Installation, Print Quality, the themes mined from the niche's reviews. Its return rate is 1.4%.