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Conquest of the Sea

OP-08 · OP08-077 · EVENT
RarityRColorPurple
$0.46▼ −6.1% over 746dUS market
Cost6
Power—
Counter—
Attribute—
TypeThe Four Emperors · Animal Kingdom Pirates · Big Mom Pirates
Effect[Main] DON!! −2 (You may return the specified number ofDON!! cards from your field to your DON!! deck.): If yourLeader has the {Animal Kingdom Pirates} or {Big Mom Pirates}type, K.O. up to 2 of your opponent's Characters with a costof 6 or less.
$0.54$0.31$0.07
Sep 4Sep 20
Price points
Market price$0.46
VolatilityHigh volatility
Recent high$0.54over 742 days recorded
Recent low$0.07over 742 days recorded
vs average+169.3%now vs $0.17 avg
JP vs US+11%JP $0.51 vs US $0.46 · Sep 20
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PSA populationas of 18 Aug 2026
5graded copies · 80% are PSA 10
PSA 104 (80%)
PSA 91 (20%)

How many copies of this exact printing PSA has graded — a count of slabs, not of cards printed. A low number can mean few were sent for grading rather than few exist. PSA publishes no live feed, so this is a snapshot.

About Conquest of the Sea (OP08-077)

Conquest of the Sea is card OP08-077, a Rare event card from the OP-08 set, in Purple. Its current market value is $0.46 in the English market. The Japanese-market price is $0.51.

Over the last 746 days it has traded between $0.07 and $0.54. Prices are TCGplayer-derived market observations refreshed daily, not appraisals — how we source them.

Card text [Main] DON!! −2 (You may return the specified number ofDON!! cards from your field to your DON!! deck.): If yourLeader has the {Animal Kingdom Pirates} or {Big Mom Pirates}type, K.O. up to 2 of your opponent's Characters with a costof 6 or less.

See every card in OP-08, or browse all One Piece TCG sets. Foilr tracks this card's price daily. Any stock we hold ourselves is labelled as ours and never weighted in a ranking.