berserk sword
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Review moat
Incredible39.73avg incumbent reviews — the moat a new listing must climb
Avg price
Great$96.11avg listing price — sweet spot $15–$100
Returns
Good2.1%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay$14.42–$267.45cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-1.2%90-day search growth — must beat 0% to launch
Competition
Bad79%top-5 click share — a locked-up shelf
Market size
Bad$51K$51K/yr · 81K searches
Conversion
Bad0.7%search→purchase rate — share of searches ending in a sale
Brand share
Bad98%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, berserk sword is a $51K/yr Amazon United States market (81K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Sep–Oct–Nov–Dec. Verdict: Skip it — 32/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
berserk sword market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $48K–$72K
- units × avg price
- Conversion rate
- 0.7%
- Avg BSR
- #2,830
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 64%
- Out of stock
- 6.0%
- Avg brand age
- 48 months
- Avg seller age
- 187 days
Competition & brand share
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 falling
Sellers
9
Top-5 brand share
98%
Top 20: 100%
Top-5 click share
79%
Top 20: 100%
Open market
0%
- Heartcos42%
- Kbtany30%
- damdos11%
- Mullike7%
- LALAPORT7%
- Blazing Steel2%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -1.2% search growth over the last 90 days.Peak months: Sep, Oct, Nov, Dec · busiest ÷ quietest = 2.7×
Top berserk sword search terms
- guts sword31K/yr
- berserk sword20K/yr
- dragon slayer sword16K/yr
- dragonslayer sword10K/yr
- guts sword berserk3K/yr
Top berserk 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.
All 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Berserker Guts Sword & Sacrifice Mark Necklace Keychain Set - Gift for Fans
Kbtany$14.673.8★21 rev
60 Berserk Guts Dragon Slayer Sword Heavy Duty Version - 16.8lbs Stainless Steel Blade Giant Anime Collectible Replica for Display
Heartcos$267.454.6★7 rev
damdos Halloween Prop Dragoner Guts Foam Sword Black Great Sword Role Play Fantasey Anime Cosplay Costume Birthdays Gifts
damdos$34.274.6★97 rev
Mullike Brand Of Sacrifice Rune Pendant Necklace Keychain Guts Sword Keychain Red Logo Cosplay Prop Jewelry Gift for Men Fans (Brand Of Sacrifice)
Mullike$14.424.4★135 rev
Heartcos 57 Anime Berserk Guts Sword Lengthen PU Material Dragon Slayer Great Foam Sword Guts Cosplay Props
Heartcos$75.504.8★23 rev
Newest
by launch date
59 Berserk Guts Dragon Slayer Sword Heavy Duty Version - 13.45 lbs Stainless Steel Blade Giant Anime Collectible Replica for Display
Heartcos$246.030 rev
49 Anime Berserk Guts Sword Dragon Slayer Great Steel Sword with Carry Bag Full Metal Cosplay Prop for Collection Stage Performance
Heartcos$139.500 rev
60 Berserk Guts Dragon Slayer Sword Heavy Duty Version - 16.8lbs Stainless Steel Blade Giant Anime Collectible Replica for Display
Heartcos$267.457 rev
Berserker Guts Sword & Sacrifice Mark Necklace Keychain Set - Gift for Fans
Kbtany$14.6721 rev
54 Anime Berserk Guts Metal Sword Stainless Steels Guts Cosplay Big Sword with Leather Scabbard for Cosplay Collection Showcase
Heartcos$134.599 rev
Trending
90-day click momentumBerserker Guts Sword & Sacrifice Mark Necklace Keychain Set - Gift for Fans
Kbtany$14.673.8★
59 Berserk Guts Dragon Slayer Sword Heavy Duty Version - 13.45 lbs Stainless Steel Blade Giant Anime Collectible Replica for Display
Heartcos$246.030.0★
Mullike Brand Of Sacrifice Rune Pendant Necklace Keychain Guts Sword Keychain Red Logo Cosplay Prop Jewelry Gift for Men Fans (Brand Of Sacrifice)
Mullike$14.424.4★
Blazing Steel Fantasy Foam Dragon Slayer Berserk Guts Sword Anime Cosplay & Costume (Different Size to Choose from)
Blazing Steel$31.854.7★
49 Anime Berserk Guts Sword Dragon Slayer Great Steel Sword with Carry Bag Full Metal Cosplay Prop for Collection Stage Performance
Heartcos$139.500.0★
What buyers say about berserk sword
What buyers praise and complain about, mined from review topics.What buyers love
“Way better than I thought it would be for the price”
“came as stated”
“Excellent quality”
“The blade is stunning”
“I'd say this is a really nice sword to have and exercise with”
“Giant and heavy, with a very sturdy handle”
“The size is a lot bigger in person which is great too”
“it's also very accurate to the real one”
What buyers complain about
“It's definitely heavier than 16 pounds”
“is very big”
“Not made well”
“Was not sturdy”
“I would definitely sharpen it since it does come dull”
Top return reasons
Common questions
- Is berserk sword profitable to sell on Amazon United States?
- The niche generates $51K/yr across 11 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -1.2%. Flapen's verdict: Skip it (32/100).
- How competitive is the berserk sword niche?
- 6 brands and 9 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 98% of demand.
- What do buyers complain about in berserk sword?
- Top complaints mined from reviews: Weight Heavy, Size-Overall, Quality-Overall. The return rate is 2.1%.
- When does demand for berserk sword peak?
- Demand peaks in Sep–Oct–Nov–Dec; the busiest month runs 2.7× the quietest.
- What does it cost to enter the berserk sword niche?
- Listings span $14.42–$267.45; the average listing price is $96.11 (sweet spot $15–$100). The average incumbent carries 40 reviews — the moat a new listing must climb.