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Prometheus, King of the Shadows Force of the Breaker #FOTB-EN063 Yu-Gi-Oh! card
Secret Rare

Prometheus, King of the Shadows Force of the Breaker #FOTB-EN063

Card #FOTB-EN063
Market value · ungraded
$10.83
▲ 4.6% · 30d
1st Edition ~$21.74 · Unlimited ~$10.83
PSA 10
$541
50× raw
Blended from live market data · graded from real sold data
Confidence medium · estimate, not an appraisal · How we price →
Buy from here
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Prometheus, King of the Shadows is a Secret Rare Yu-Gi-Oh! card from Force of the Breaker (#FOTB-EN063). Its current blended market value is $10.83 ungraded, with a PSA 10 worth around $541. Prices update from real market data.

Graded prices
Ungraded (raw)$10.83
PSA graded price estimates by grade
GradeRelative valuePrice
PSA 10$541$541–$541
PSA 9$50$50–$50
“Sold” = median of real recent sold listings at that grade (eBay or Fanatics Collect — hover a badge to see which). Other figures are blended marketplace estimates. Confidence reflects source backing and price spread — not PSA-official values.

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Price history · Raw

1 Nov 202121 Aug 2026
Latest
$10.83
Period high
$36.30
Period low
$5.50
Change
▼ 61.3%
Available to buy nowLive on eBay

Card details

Set
Force of the Breaker
Number
#FOTB-EN063
Rarity
Secret Rare
Game
Yu-Gi-Oh!

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All Force of the Breaker cards →

Where to buy & check prices

Check recent sold prices
eBay sold

Frequently asked questions

How much is Prometheus, King of the Shadows worth?

Prometheus, King of the Shadows (Force of the Breaker #FOTB-EN063) is worth around $10.83 ungraded, or about $541 in PSA 10, based on live Yu-Gi-Oh! market data.

What is a PSA 10 Prometheus, King of the Shadows worth?

A PSA 10 Prometheus, King of the Shadows sells for around $541, roughly 50× the ungraded price.

Where can I buy Prometheus, King of the Shadows?

You can buy Prometheus, King of the Shadows on TCGplayer, Cardmarket and eBay — see the live listings on this page. Always compare against the blended market value first.

What rarity is Prometheus, King of the Shadows?

Prometheus, King of the Shadows is a Secret Rare Yu-Gi-Oh! card from the Force of the Breaker set.

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Citation
Prometheus, King of the Shadows (Force of the Breaker #FOTB-EN063) — Yu-Gi-Oh! market value $10.83, PSA 10 $540.90. Source: CardTrack, https://cardtrack.com/yugioh/card/force-of-the-breaker/prometheus-king-of-the-shadows-fotb-en063
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<iframe src="https://cardtrack.com/embed/card?id=yugioh-force-of-the-breaker-prometheus-king-of-the-shadows-secret-rare" width="100%" height="160" style="border:0;max-width:460px" title="Prometheus, King of the Shadows price — CardTrack" loading="lazy"></iframe> <p style="font:12px system-ui">Source: <a href="https://cardtrack.com">CardTrack</a></p>