hollow knight
Skip itPrices mostly outside the sweet spot ($5.45–$14.19) — this niche doesn't clear our bar today.
Review moat
Incredible12.41avg incumbent reviews — the moat a new listing must climb
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Conversion
Okay2.9%search→purchase rate — share of searches ending in a sale
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Avg price
Okay£9.01avg listing price — sweet spot $15–$100
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Market size
Bad£62K£62K/yr · 233K searches
Growth
Bad-30.5%90-day search growth — must beat 0% to launch
Price range
Bad£5.45–£14.19cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, hollow knight is a £62K/yr Amazon United Kingdom market (233K searches/yr). The top 5 brands hold 87% of demand. Verdict: Skip it — 34/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
hollow knight market data
- Units sold / yr
- 4K–5K
- avg 0–100/product
- Revenue / yr
- £36K–£45K
- units × avg price
- Conversion rate
- 2.9%
- Avg BSR
- #3,499
- Page quality
- 0%
- Prime
- 71%
- Sponsored
- 76%
- Out of stock
- 33.2%
- Avg brand age
- 21 months
- Avg seller age
- 274 days
Competition & brand share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
10 falling
Sellers
14
Top-5 brand share
87%
Top 20: 100%
Top-5 click share
63%
Top 20: 100%
Open market
9%
- Cloud City 742%
- Kanfyyl16%
- Generic12%
- Fantasix10%
- GAUEIOUR7%
- LYunMu4%
- Open — no brand owns it (4 brands, 9%)
Demand
Weekly Amazon search volume, last 38 weeks — -30.5% search growth over the last 90 days.Top hollow knight search terms
- hollow knight176K/yr
- hollow knight merch46K/yr
- hollow knight figure11K/yr
Top hollow knight 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 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Hollow Knight Shadow Mens T-Shirt Black
Cloud City 7£14.194.3★50 rev
Cloud City 7 Hollow Knight Shadow Kids T-Shirt Black
Cloud City 7£11.804.8★12 rev
Fantasix 3 Pcs Hornet Figures Knight Statue with Base Game Character Figure Suitable for Collection and Decoration
Fantasix£10.234.0★12 rev
Kanfyyl Plush Toy Hollow Anime Knight Cushion Home Decoration Collection Gift for Fans 27cm
Kanfyyl£11.754.7★20 rev
Kanfyyl Hollow Action Knight Game Statue 5.9Inch PVC Characters Collectible Tabletop Decorations Gifts
Kanfyyl£11.584.5★11 rev
Newest
by launch date
54pcs Hollow Knight Black and White Card Table Poker Card Game (BLACK)
Generic£7.531 rev
fKiZanthene Hollow Knight Pure Nail Sword Necklace Alloy Bone Pendant Keychain Anime Necklace for Men and Women Game-Inspired Jewellery Accessory for Daily Wear and Cosplay
fKiZanthene£6.791 rev
Fantasix 3 Pcs Hornet Figures Knight Statue with Base Game Character Figure Suitable for Collection and Decoration
Fantasix£10.2312 rev
SKIPTHYBER Knights Plush Game Figure Anime Plush Doll Cushion Home Decoration Collection Gift for Fans 25cm
SKIPTHYBER£8.633 rev
GAUEIOUR Hollow Knight Enamel Metal Pins Classic Game Cartoon Anime Figure Element Peripheral Creative Brooch Cosplay Creative Decoration Backpack Clothing Accessories
GAUEIOUR£5.765 rev
Trending
90-day click momentum
Hoolloww Knigghtt Plush Toy Hoolloww Knigghtt Plushies Animals Plush Soft Stuffed Animal Anime Soft Toy Stuffed Animals Doll for Children Toys Birthday Plushies
Generic£9.540.0★
Hoolloww Knigghtt Cushion Covers Hoolloww Knigghtt Silksonng Pillowcase Anime Cushion Covers Short Plush Throw Pillow Covers 45x45cm Square Pillowcase for Couch Sofa Bedroom Car Office
Generic£5.455.0★
54pcs Hollow Knight Black and White Card Table Poker Card Game (BLACK)
Generic£7.535.0★
Cloud City 7 Hollow Knight Shadow Kids T-Shirt Black
Cloud City 7£11.804.8★
Hollow Knight Shadow Mens T-Shirt Black
Cloud City 7£14.194.3★
What buyers say about hollow knight
What buyers praise and complain about, mined from review topics.What buyers love
“Great quality”
“Could make for a nice gift”
“it looked pretty good for the price”
“Perfect for my 14 year old who collects game memorabilia and merch”
“The designs stay very faithful to the games style, especially the masks, cloaks and weapons”
“Im really pleased with how they look displayed together”
“Feels sturdy enough though worth being careful about the weapons since those are the glued on parts”
“I appreciate how the size of each one does in fact reflect their ingame sizes so they don't look awkward when placed together”
“Aside from some notable seams or glue in places these are surprisingly nice”
“Feels sturdy enough though worth being careful about the weapons since those are the glued on parts”
What buyers complain about
“sadly lost on the second day of wearing it”
“Not a good clasp”
“Although the listing doesnt directly mention it”
Top return reasons
Common questions
- Is hollow knight profitable to sell on Amazon United Kingdom?
- The niche generates £62K/yr across 17 tracked products. 0 of 12 products launched in the last 360 days are still selling. 90-day search growth is -30.5%. Flapen's verdict: Skip it (34/100).
- How competitive is the hollow knight niche?
- 10 brands and 14 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 87% of demand.
- What do buyers complain about in hollow knight?
- Top complaints mined from reviews: Durability, Fastener Quality, Advertised Vs Actual Product. The return rate is 0.4%.
- What does it cost to enter the hollow knight niche?
- Listings span £5.45–£14.19; the average listing price is £9.01 (sweet spot $15–$100). The average incumbent carries 12 reviews — the moat a new listing must climb.