Is inverted spear of heaven profitable to sell on Amazon United States?

The niche generates $74K/yr across 22 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -27.2%. Flapen's verdict: Skip it (42/100).

How competitive is the inverted spear of heaven niche?

17 brands and 20 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 60% of demand.

What do buyers complain about in inverted spear of heaven?

Top complaints mined from reviews: Durability, Quality-Overall, Size-Overall. The return rate is 3.0%.

When does demand for inverted spear of heaven peak?

Demand peaks in Feb–Oct–Nov–Dec; the busiest month runs 5.1× the quietest.

What does it cost to enter the inverted spear of heaven niche?

Listings span $10.94–$118.98; the average listing price is $43.85 (sweet spot $15–$100). The average incumbent carries 68 reviews — the moat a new listing must climb.

Inverted Spear of Heaven

Skip it

Soft demand (-27.2% this quarter) — this niche doesn't clear our bar today.

Review moat

Incredible68.36

avg incumbent reviews — the moat a new listing must climb

Avg price

Incredible$43.85

avg listing price — sweet spot $15–$100

Price range

Great$10.94–$118.98

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

Brand share

Great60%

top-5 brand share — no brand owns this niche

Returns

Good3.0%

return rate — above 5% kills the launch gate

Competition

Okay56%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.6%

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

Market size

Bad$74K

$74K/yr · 108K searches

Growth

Bad-27.2%

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

Signals No Dominant Brand

Is inverted spear of heaven profitable on Amazon?

According to Flapen's Amazon United States niche tracking, inverted spear of heaven is a $74K/yr Amazon United States market (108K searches/yr). The top 5 brands hold 60% of demand. Demand peaks in Feb–Oct–Nov–Dec. Verdict: Skip it — 42/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

inverted spear of heaven market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 2K–2K; avg 0–100/product
Revenue / yr: $66K–$88K; units × avg price
Conversion rate: 1.6%
Avg BSR: #11,087
Page quality: 0%
Prime: 77%
Sponsored: 73%
Out of stock: 8.1%
Avg brand age: 39 months
Avg seller age: 210 days

Competition: brands, sellers & click share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 falling

Sellers

Top-5 brand share

60%

Top 20: 100%

Top-5 click share

56%

Top 20: 98%

Open market

34%

QAHEART18%
QUEQUAQUI17%
Bowen10%
Mingshao7%
MYAROMA FINDINGS6%
CoserWorld6%

inverted spear of heaven demand & seasonality

Weekly Amazon search volume, last 79 weeks — -27.2% search growth over the last 90 days.

Peak months: Feb, Oct, Nov, Dec · busiest ÷ quietest = 5.1×

Open Trend

Top inverted spear of heaven search terms shoppers use

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

inverted spear of heaven67K/yr -30.4%1.1% conv.
toji sword30K/yr -10.3%1.5% conv.
toji fushiguro sword11K/yr -35.8%0.6% conv.

All search terms

Top inverted spear of heaven products & what they sell for

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

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

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 22 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

24-Inch Inverted Spear of Heaven Foam Prop Adult Anime Cosplay Weapon Replica Non-Functional PU Foam Collectible

QUEQUAQUI$28.924.8★10 rev

QAHEART Anime JJK Figures Inverted Spear of Heaven/Shakukon to/AMA no sakahoko/Split Soul Katana Fushiguro Toji Cosplay Prop Figure

QAHEART$12.404.5★486 rev

Bowen Toji Fushiguro Inverted Spear of Heaven 1:1 Replica - 21 Stainless Steel JJK Toji Sword Cosplay Weapon Anime Prop Collection Gift

Bowen$86.354.7★11 rev

MYAROMA FINDINGS Toji Fushiguro Inverted Spear of Heaven Necklace Cospaly Pendant Prop Creative Gift for Anime Fans Stainless Steel Chain

MYAROMA FINDINGS$12.614.5★150 rev

Halloween Anime Swords for Weapon Cosplay Prop Costume Sliver

CoserWorld$30.244.6★42 rev

Newest

by launch date

RAINDEWLL JJK Fushiguro Toji Keychain-Inverted Spear of Heaven Sword and Spear Keychain-Anime Prop Jewelry for Women Men Grey

RAINDEWLL$12.431 rev

2mo ago

QAHEART Fushiguro Toji Cosplay Prop Sword Dagger Anime JJK Cosplay Props Costume Accessories

QAHEART$11.7437 rev

4mo ago

SONGCHANGJEWELRY JJK Fushiguro Toji Anime Keychain Inverted Spear of Heaven Key chain Accessories Merch Gift for Fans (Silver)

SONGCHANGJEWELRY$12.783 rev

4mo ago

Foam Sword and Spear for Jujutsu Kaisen Cosplay Weapon Anime Toji Fushiguro Maki Cosplay Props for Collection Costume Xmas Gift and Halloween (TOJI (B))

Mingshao$28.6735 rev

1y ago

Halloween Anime Swords for Weapon Cosplay Prop Costume Sliver

CoserWorld$30.2442 rev

1y ago

What reviews say buyers love and hate about inverted spear of heaven

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

What buyers love

Quality-Overall32%

“The craftsmanship is excellent”

Durability15%

“Durable”

Design-Overall9%

“really defined design”

Advertised Vs Actual Product6%

“much better than I imagined”

Gifting Purpose4%

“Gift was a success”

Safety Standards4%

“Safe”

Weight Light3%

“it is perfect it is light”

Value For Money3%

“Well worth the money”

Strength3%

“Very sturdy and came assembled”

Mounting2%

“Would be a good wall piece to hang”

What buyers complain about

Durability18%

“It broke after 5 weeks”

Quality-Overall18%

“Kinda cheapish lookin”

Size-Overall13%

“Too small”

Chain/Key Quality4%

“Chain breaks,”

Display-Overall4%

“Buyer beware this is not ever going to be a toy for kids just for static display only”

Connectivity-Overall4%

“Connections are not for dynamic use”

Ease Of Use4%

“not for use”

Design-Overall3%

“Good detail-not build well”

Strength3%

“weakens over time”

Top return reasons

Defective Material/Parts24%

Size-Overall17%

Durability12%

Value For Money10%

Chain/Key Quality9%

Quality-Overall8%

Advertised Vs Actual Product4%

Sharpness3%

Fastener Quality2%

Connectivity-Overall2%

Common inverted spear of heaven questions

Is inverted spear of heaven profitable to sell on Amazon United States?: The niche generates $74K/yr across 22 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -27.2%. Flapen's verdict: Skip it (42/100).
How competitive is the inverted spear of heaven niche?: 17 brands and 20 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 60% of demand.
What do buyers complain about in inverted spear of heaven?: Top complaints mined from reviews: Durability, Quality-Overall, Size-Overall. The return rate is 3.0%.
When does demand for inverted spear of heaven peak?: Demand peaks in Feb–Oct–Nov–Dec; the busiest month runs 5.1× the quietest.
What does it cost to enter the inverted spear of heaven niche?: Listings span $10.94–$118.98; the average listing price is $43.85 (sweet spot $15–$100). The average incumbent carries 68 reviews — the moat a new listing must climb.