Is demon slayer cards profitable to sell on Amazon United States?

The niche generates $165K/yr across 55 tracked products. 8 of 15 products launched in the last 360 days are still selling. 90-day search growth is -30.1%. Flapen's verdict: Skip it (48/100).

How competitive is the demon slayer cards niche?

8 brands and 108 sellers compete. The top 5 products take 29% of clicks and top 5 brands hold 95% of demand.

What do buyers complain about in demon slayer cards?

Top complaints mined from reviews: Product Condition, Fun/Entertainment Experience, Size-Overall. The return rate is 1.6%.

When does demand for demon slayer cards peak?

Demand peaks in Jun–Jul–Nov–Dec; the busiest month runs 4.8× the quietest.

What does it cost to enter the demon slayer cards niche?

Listings span $7.93–$199.49; the average listing price is $56.61 (sweet spot $15–$100). The average incumbent carries 126 reviews — the moat a new listing must climb.

demon slayer cards

Skip it

Soft demand (-30.1% this quarter) — this niche doesn't clear our bar today.

Review moat

Great126.49

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$56.61

avg listing price — sweet spot $15–$100

Competition

Great29%

top-5 click share — an open shelf

Returns

Great1.6%

return rate — above 5% kills the launch gate

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Price range

Okay$7.93–$199.49

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

Market size

Okay$165K

$165K/yr · 346K searches

Conversion

Bad0.8%

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

Brand share

Bad95%

top-5 brand share — brand-locked demand

Growth

Bad-30.1%

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

Signals High Price

According to Flapen's Amazon United States niche tracking, demon slayer cards is a $165K/yr Amazon United States market (346K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Jun–Jul–Nov–Dec. Verdict: Skip it — 48/100.

Data updated Jul 31, 2026 · scored weekly · How we score niches

demon slayer cards market data

Units sold / yr: 5K–6K; avg 0–100/product
Revenue / yr: $283K–$340K; units × avg price
Conversion rate: 0.8%
Avg BSR: #738
Page quality: 0%
Prime: 87%
Sponsored: 55%
Out of stock: 16.1%
Avg brand age: 32 months
Avg seller age: 157 days

Competition & brand share

Clicks spread well past the top 5 (29% combined) — an open shelf where new products get seen.

Brands

8 flat

Sellers

108

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

29%

Top 20: 62%

Open market

BANDAI66%
JOLYN22%
Kayou3%
Generic3%
JUST FUNKY2%
Summer Mae2%
Open — no brand owns it (2 brands, 3%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -30.1% search growth over the last 90 days.

Peak months: Jun, Jul, Nov, Dec · busiest ÷ quietest = 4.8×

Open Trend

Top demon slayer cards search terms

union arena165K/yr -30.0%0.7% conv.
union arena booster box68K/yr -34.1%0.6% conv.
demon slayer cards52K/yr -21.9%0.7% conv.
demon slayer trading cards16K/yr -29.3%0.6% conv.
union arena cards6K/yr -4.3%0.7% conv.
union arena booster box english6K/yr -33.9%1.1% conv.
union arena tcg6K/yr -30.2%0.7% conv.
union arena demon slayer9K/yr -43.2%0.3% conv.
demon slayer tcg4K/yr -21.2%0.8% conv.
demon slayer union arena6K/yr -48.4%1.3% conv.

All search terms

Top demon slayer cards 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.

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.

Top sellers

by 90-day click share

Union Arena English TCG: Demon Slayer: Kimetsu No Yaiba - Starter Deck - 50 Cards

BANDAI$17.074.5★80 rev

JOLYN Tabitha Womens Athletic One-Piece Swimsuit with Fixed Back for Competitive Swimming Lifeguarding Full Coverage Cotton Candy Size 26

JOLYN$54.494.4★40 rev

Bandai Union Arena Booster Pack 100 Girlfriends Who Love You UA26BT (Box) 16 Pack for Ages 9 and Up

BANDAI$76.654.0★31 rev

Union Arena: Full Metal Alchemist Booster Display (UE-09)

BANDAI$60.394.8★20 rev

BANDAI Union Arena Booster Pack Wind Breaker [UA38BT] (Box) 16 Packs

BANDAI$46.244.5★26 rev

Newest

by launch date

KAYOU Demon Slayer Kimetsu no Yaiba Dawn Cards Breathing Vol.1 Sealed Booster Box [CN]

Kayou$34.020 rev

1mo ago

Union Arena CCG: Tokyo Ghoul Starter Deck (UE18ST)

BANDAI$26.433 rev

4mo ago

Bandai Union Arena Precious Booster Pack Goddess of Victory: NIKKE PC02BT (Box) Pack of 10

BANDAI$86.5736 rev

5mo ago

Union Arena: Solo Leveling Booster Box

BANDAI$199.493 rev

5mo ago

Union Arena CCG: Sword Art Online Vol. 02 Booster Box (UEX06BT) - 16 Packs

BANDAI$73.619 rev

7mo ago

What buyers say about demon slayer cards

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

What buyers love

Advertised Vs Actual Product21%

“Accurate description”

Collectibles21%

“Great series”

Value For Money13%

“A Great Deal”

Suitability Beginner10%

“Great for beginners”

Quality-Overall10%

“The cards are good quality”

Fun/Entertainment Experience8%

“Game is fun”

Size-Overall6%

“True size”

Comfort-Overall6%

“Comfortable”

Soft Feel2%

“It is soft”

Trivia Games2%

“One of my favorite games”

What buyers complain about

Product Condition40%

“NOT New”

Fun/Entertainment Experience20%

“kinda made it boring”

Size-Overall20%

“its not as big as the Weiß Schwarz edition of nikke”

Value For Money20%

“Not worth it”

Top return reasons

Size-Overall71%

Chest Fit7%

Advertised Vs Actual Product3%

Waist Fit3%

Value For Money3%

Shape/Style3%

Color2%

Length2%

Hip Fit1%

Strap/String Quality1%

Common questions

Is demon slayer cards profitable to sell on Amazon United States?: The niche generates $165K/yr across 55 tracked products. 8 of 15 products launched in the last 360 days are still selling. 90-day search growth is -30.1%. Flapen's verdict: Skip it (48/100).
How competitive is the demon slayer cards niche?: 8 brands and 108 sellers compete. The top 5 products take 29% of clicks and top 5 brands hold 95% of demand.
What do buyers complain about in demon slayer cards?: Top complaints mined from reviews: Product Condition, Fun/Entertainment Experience, Size-Overall. The return rate is 1.6%.
When does demand for demon slayer cards peak?: Demand peaks in Jun–Jul–Nov–Dec; the busiest month runs 4.8× the quietest.
What does it cost to enter the demon slayer cards niche?: Listings span $7.93–$199.49; the average listing price is $56.61 (sweet spot $15–$100). The average incumbent carries 126 reviews — the moat a new listing must climb.