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![Union Arena TCG: That Time I Got Reincarnated as a Slime Booster Box [UE20BT] - 16 Packs Card Game Bandai Namco](http://myshopville.com/cdn/shop/files/union-arena-slime-special-booster-box-ue20bt-16-packs.png?v=1767048714&width=240)
Step Into a New World of Strategy with Union Arena Slime Special Booster Box
Enter the world of monsters, magic, and evolving power with the Union Arena TCG That Time I Got Reincarnated as a Slime Special Booster Box [UE20BT]. Bringing Seasons 1 through 3 of the hit anime into Union Arena, this set delivers an expansive card pool packed with fan-favorite characters and dynamic gameplay options.
Designed as a high-volume special booster, this release combines two Japanese volumes into one massive English product. With four playable colors, exclusive North America foil-stamped autograph cards, and ultra-rare handwritten autograph AP cards, it’s a must-have for collectors and competitive players alike.
Because reincarnation is just the beginning of your strategy…
Features
- Includes 16 booster packs from the UE20BT Special Booster set with a large volume of cards per pack.
- Features characters from Seasons 1–3 of That Time I Got Reincarnated as a Slime in one combined release.
- Supports four colors, allowing for diverse deck-building strategies and playstyles.
- Includes North America exclusive foil-stamped autograph cards and extremely rare handwritten autograph AP cards.
Click here for the Refund Policy
Hours of Operation: Monday to Friday - 9am - 5pm MT (Excluding Holidays)
Union Arena TCG: That Time I Got Reincarnated as a Slime Booster Box [UE20BT] - 16 Packs
Release Date:June 26, 2026
Step Into a New World of Strategy with Union Arena Slime Special Booster Box
Enter the world of monsters, magic, and evolving power with the Union Arena TCG That Time I Got Reincarnated as a Slime Special Booster Box [UE20BT]. Bringing Seasons 1 through 3 of the hit anime into Union Arena, this set delivers an expansive card pool packed with fan-favorite characters and dynamic gameplay options.
Designed as a high-volume special booster, this release combines two Japanese volumes into one massive English product. With four playable colors, exclusive North America foil-stamped autograph cards, and ultra-rare handwritten autograph AP cards, it’s a must-have for collectors and competitive players alike.
Because reincarnation is just the beginning of your strategy…
Features
- Includes 16 booster packs from the UE20BT Special Booster set with a large volume of cards per pack.
- Features characters from Seasons 1–3 of That Time I Got Reincarnated as a Slime in one combined release.
- Supports four colors, allowing for diverse deck-building strategies and playstyles.
- Includes North America exclusive foil-stamped autograph cards and extremely rare handwritten autograph AP cards.
Click here for the Refund Policy
Hours of Operation: Monday to Friday - 9am - 5pm MT (Excluding Holidays)
Note on Pre-Orders
• Please note that release dates are sometimes subject to change.
• Orders with in-stock & pre-order items will only be shipped when order is 100% complete.
• A processing fee of 5% will be applied to refunds. Processing fees cover the charges by the payment processor.
![Union Arena TCG: That Time I Got Reincarnated as a Slime Booster Box [UE20BT] - 16 Packs Card Game Bandai Namco](http://myshopville.com/cdn/shop/files/union-arena-slime-special-booster-box-ue20bt-16-packs-cover.jpg?v=1767048714&width=360)