One Piece Card Game OP-18 English Sealed Case — Pre-Order

The next major chapter of the One Piece Card Game is on the horizon. The One Piece Card Game OP-18 English Sealed Case brings the upcoming expansion to collectors, players, retailers, and sealed-product enthusiasts in a complete factory-sealed case format.

Scheduled for release on November 20, 2026, OP-18 is set to close out 2026 with a major new expansion featuring three established One Piece themes alongside a brand-new theme debut. The set also introduces a long-awaited character as a new Leader, adding another exciting addition for collectors and players following the evolution of the One Piece Card Game.

At KaizokuNoYume, this pre-order gives you the opportunity to secure a complete sealed OP-18 case ahead of the anticipated release.

📦 OP-18 Sealed Case at a Glance

Product Detail	Information
Product	One Piece Card Game OP-18 English Sealed Case
Set Number	OP-18
Publisher	Bandai
Language	English
Product Type	Factory-Sealed Case
Boxes Per Case	12 Booster Display Boxes
Packs Per Box	24 Booster Packs
Cards Per Pack	12 Cards
Packs Per Case	288 Booster Packs
Total Cards Per Case	3,456 Cards
Total Card Types	126 + 1 DON!! Card
Release Date	November 20, 2026
Release Format	Global Simultaneous Release
Set Theme	Three Major Themes + One New Theme
Starter Deck Synergy	ST-37 & ST-38
Product Condition	Factory Sealed
Availability	Pre-Order

What Is Included?

Each OP-18 sealed case contains 12 factory-sealed booster display boxes. Every display box contains 24 booster packs, with 12 cards inside each pack.

That gives a complete case:

12 boxes × 24 packs = 288 booster packs

And:

288 packs × 12 cards = 3,456 cards

The sealed case format is ideal for collectors who want a complete factory-sealed product, players who want access to a large quantity of packs, retailers preparing inventory, and collectors planning case openings.

📊 Complete Case Breakdown

Level	Quantity
Sealed Case	1
Booster Display Boxes	12
Booster Packs Per Box	24
Total Booster Packs	288
Cards Per Pack	12
Total Cards	3,456

The case remains in its original sealed packaging, providing customers with the complete OP-18 case format rather than individually selected booster boxes.

OP-18 Release Date

The scheduled release date for the OP-18 English product is:

November 20, 2026

OP-18 is planned as a global simultaneous release, bringing the English and Japanese editions to market around the same release schedule.

As this is a pre-order product, customers should understand that publisher or distributor schedules can occasionally change. Any official update from Bandai regarding the release schedule will take precedence over preliminary information.

A Major New One Piece Card Game Expansion

OP-18 is positioned as one of the major numbered One Piece Card Game expansions of 2026.

The set combines three established One Piece themes with a brand-new theme, giving collectors and players another broad card pool to explore.

One of the most anticipated elements is the introduction of a long-awaited character as a new Leader card. The addition gives players another potential direction for deck building while giving collectors another important card to look for.

The set is also expected to feature premium and visually distinctive card designs, adding another layer of appeal for collectors who enjoy the artwork and presentation of One Piece trading cards.

New Theme and Leader

A major part of the excitement surrounding OP-18 is the introduction of a new theme alongside established One Piece themes.

For players, new themes can create opportunities to explore different strategies and combinations.

For collectors, new themes create additional characters, artwork, cards, and potential chase cards to add to their collections.

The introduction of the long-awaited new Leader also gives OP-18 an important place within the ongoing One Piece Card Game product line.

As additional official card reveals become available, the OP-18 product information can continue to develop.

Starter Deck Synergy

OP-18 is also designed to work alongside upcoming ST-37 and ST-38 Starter Decks, scheduled for December 2026.

Related Product	Release Period	Relationship
OP-18 Booster Set	November 20, 2026	Main expansion
ST-37 Starter Deck	December 2026	Designed to complement OP-18
ST-38 Starter Deck	December 2026	Designed to complement OP-18

This makes OP-18 particularly interesting for players planning their collection and deck-building options around the end of 2026.

Why Pre-Order an OP-18 Sealed Case?

Pre-ordering allows collectors and players to secure upcoming product before its scheduled release.

A complete sealed case provides considerably more product than purchasing a single booster box. With 12 boxes and 288 packs, customers have a substantial quantity of OP-18 product available from the start.

A sealed case can be used in several ways.

Collectors

Collectors can keep the case sealed as part of their One Piece Card Game collection or choose to open the boxes individually.

Players

Players can open packs to explore the new card pool and look for cards that fit their decks.

Case Openings

Collectors and content creators can use a complete case for larger opening sessions and case-break events.

Retailers

Retailers can use the individual booster boxes within a case as inventory for customers.

Factory-Sealed Product

The OP-18 case is supplied as a factory-sealed product.

Keeping the case sealed allows collectors to preserve the original packaging and presentation of the product.

Individual card contents are randomized. Purchasing a sealed case does not guarantee a specific Leader, Rare, Super Rare, Secret Rare, alternate-art card, special card, or other individual card.

The excitement of a sealed product comes from discovering the cards contained inside.

Product Specifications

Specification	Details
Brand	One Piece Card Game
Set	OP-18
Publisher	Bandai
Language	English
Condition	New / Factory Sealed
Format	Sealed Case
Boxes	12
Packs Per Box	24
Cards Per Pack	12
Total Packs	288
Total Cards	3,456
Card Types	126 + 1 DON!!
Release Date	November 20, 2026
Pre-Order	Yes
Starter Deck Support	ST-37 & ST-38
Release Format	Global Simultaneous Release

⚠️ Pre-Order Cancellation Policy

Please read the cancellation policy carefully before placing your OP-18 pre-order.

Because sealed case pre-orders require advance allocation and represent a significant commitment, cancellation terms apply.

Cancellation Timing	Refund Option
More than 7 days before release	Cancellation permitted with a 10% processing fee when refunded to the original payment method
More than 7 days before release	Full cancellation available as store credit
Within 7 days of release	No cancellation — final sale
Official Bandai delay or cancellation	Full refund with no cancellation fee, subject to the applicable circumstances

Cancellation Outside the 7-Day Window

Pre-orders may be cancelled more than seven days before the scheduled release date.

If the refund is returned to the original form of payment, a 10% processing fee will be deducted from the refund amount.

Customers who choose store credit can cancel their pre-order in full according to the applicable cancellation terms.

Final Sale Within 7 Days

Pre-orders cannot be cancelled within seven days of the product’s release date.

Once the order enters this seven-day period, the pre-order becomes final sale and cannot be cancelled.

This policy exists because sealed case pre-orders involve advance product commitments and inventory allocation.

Official Product Delay or Cancellation

If Bandai officially delays or cancels OP-18, customers will receive a full refund with no cancellation fee applied, subject to the applicable circumstances and official product status.

⚠️ Please Read Before Ordering

By placing an OP-18 pre-order with KaizokuNoYume, you confirm that you have read, understood, and agreed to the applicable pre-order cancellation policy.

Please make sure you are comfortable with the release schedule and cancellation terms before completing your purchase.

Sealed case pre-orders represent a significant product commitment. We recommend placing your order only when you are confident that you want the product.

What Makes a Sealed Case Different?

A single booster box gives you 24 packs.

An OP-18 sealed case gives you 12 complete booster boxes, representing 288 packs.

Purchase	Boxes	Packs
Single Booster Box	1	24
Sealed Case	12	288

The larger format makes the sealed case particularly suitable for customers who want to open a substantial amount of product or preserve a complete case as part of a sealed collection.

Build Your One Piece Collection With KaizokuNoYume

At KaizokuNoYume, we are focused on bringing collectors and players closer to the trading card products they enjoy.

The One Piece Card Game combines collecting, artwork, characters, strategy, and gameplay, making each new expansion an opportunity to discover something different.

OP-18 continues that journey with new themes, new cards, new artwork, and a new Leader that has already generated interest among One Piece Card Game fans.

Whether you are a long-time collector or preparing for your first major One Piece Card Game release, a sealed OP-18 case gives you plenty of product to explore.

Frequently Asked Questions

When is OP-18 being released?

The scheduled release date is November 20, 2026.

What language is this OP-18 case?

This product is the English edition.

How many boxes are in one case?

Each sealed case contains 12 booster display boxes.

How many packs are in each box?

Each booster display box contains 24 booster packs.

How many cards are in each pack?

Each booster pack contains 12 cards.

How many packs are in a complete case?

A complete case contains 288 booster packs.

How many cards are in a case?

Based on 288 packs containing 12 cards each, there are 3,456 cards across the complete case.

Does the case guarantee specific cards?

No. Card contents are randomized, and a sealed case does not guarantee any particular card, rarity, Leader, alternate artwork, or chase card.

Can I cancel my pre-order?

Cancellations are permitted outside the seven-day period before release, subject to the applicable 10% processing fee when refunded to the original payment method. Full cancellation to store credit is available according to the policy.

Can I cancel within seven days of release?

No. Once the order enters the seven-day period before release, the pre-order is considered final sale.

What happens if Bandai delays OP-18?

If Bandai officially delays or cancels the product, the applicable pre-order refund will be issued in accordance with the stated policy, with no cancellation fee applied.

Pre-Order OP-18 Today

The One Piece Card Game OP-18 English Sealed Case brings together 12 factory-sealed booster boxes, 288 booster packs, and 3,456 cards in one complete case.

With the scheduled release date of November 20, 2026, OP-18 is an exciting upcoming addition to the One Piece Card Game lineup.

Whether you plan to preserve the case, open the boxes, organize a case opening, build your collection, or explore the new card pool, this pre-order gives you the opportunity to secure the complete sealed case ahead of release.

Secure your OP-18 English Sealed Case pre-order with KaizokuNoYume and get ready for the next chapter of the One Piece Card Game.

Please review the product specifications and cancellation policy carefully before placing your order.