Skip to content
48

demon slayer sword

Skip it

A small market ($10K/yr) — this niche doesn't clear our bar today.

Market size 2Growth 13Conversion 5Competition 73Returns 87Price range 74Avg price 95Brand share 70Review moat 91Quality gap 58

Avg price

Incredible£23.99

avg listing price — sweet spot $15–$100

Review moat

Great184.39

avg incumbent reviews — the moat a new listing must climb

Returns

Great1.4%

return rate — above 5% kills the launch gate

Price range

Good£7.53–£36.14

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

Good41%

top-5 click share — leaders hold, buyers still browse

Brand share

Good63%

top-5 brand share — brands hold most of the demand

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Growth

Bad-23.6%

90-day search growth — must beat 0% to launch

Conversion

Bad0.4%

search→purchase rate — share of searches ending in a sale

Market size

Bad£10K

£10K/yr · 114K searches

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.

Data updated Jul 29, 2026 · scored weekly · How we score niches

demon slayer sword market data

Units sold / yr
750–1K
avg 0–100/product
Revenue / yr
£18K–£24K
units × avg price
Conversion rate
0.4%
Avg BSR
#733
Page quality
0%
Prime
74%
Sponsored
71%
Out of stock
13.4%
Avg brand age
30 months
Avg seller age
197 days

Competition & brand share

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

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%

Demand

Weekly Amazon search volume, last 31 weeks — -23.6% search growth over the last 90 days.
3K2KDec '25Feb '26Mar '26Apr '26May '26Jun '26

Top demon slayer sword search terms

  • demon slayer sword77K/yr
  • anime sword15K/yr
  • demon slayer katana12K/yr
  • demon slayer swords10K/yr
All search terms

Top demon slayer sword products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%£2956%£5909%£88512%£1K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about demon slayer sword

What buyers praise and complain about, mined from review topics.

What buyers love

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”

Durability5%

“durable”

Gifting Purpose4%

“Great gift for my anime-loving 11yo”

Fun/Entertainment Experience3%

“Good toy sword”

Color2%

“Great colours & seems well made”

Strength2%

“its not particularly fragile either”

What buyers complain about

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”

Instructions/User Manual/Troubleshooting5%

“Instruction are not straight forward or have the right picture of the sword”

Top return reasons

Defective Material/Parts22%
Quality-Overall17%
Size-Overall13%
Advertised Vs Actual Product6%
Assembly/Installation6%
Material Quality6%
Strength5%
Ease Of Use4%
Mechanism Issues3%
Weight Light2%

Common questions

Is demon slayer sword profitable to sell on Amazon United Kingdom?
The niche generates £10K/yr across 31 tracked products. 0 of 9 products launched in the last 360 days are still selling. 90-day search growth is -23.6%. Flapen's verdict: Skip it (48/100).
How competitive is the demon slayer sword niche?
16 brands and 22 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 63% of demand.
What do buyers complain about in demon slayer sword?
Top complaints mined from reviews: Quality-Overall, Assembly/Installation, Print Quality. The return rate is 1.4%.
What does it cost to enter the demon slayer sword niche?
Listings span £7.53–£36.14; the average listing price is £23.99 (sweet spot $15–$100). The average incumbent carries 184 reviews — the moat a new listing must climb.