Attack on Titan Booster Box (UE10BT)

Relive iconic moments from Attack on Titan with the official UNION ARENA Attack on Titan Booster Box [UE10BT]. According to the official product page, the set includes Eren Yeager, Levi, and other popular characters from the anime, giving players and collectors a strong mix of playable cards and anime-inspired designs.

Each sealed display box contains 16 booster packs, and each booster pack contains 12 cards. The set’s total lineup includes 100 card types plus 6 Action Point (AP) cards, with rarities split across 35 Commons, 35 Uncommons, 18 Rares, 12 Super Rares, and 6 AP cards. Alt-art card types are also included in the product.

The official page also highlights special premium chase elements, including foil cards featuring Japanese voice actor signatures and exclusive UNION ARENA illustrations for characters such as Eren, Mikasa, Armin, Annie, Reiner, Levi, Erwin, and Hange. Each box also includes 1 of 6 foil design box topper cards.

UNION ARENA lists the North America release date as August 29, 2025, with an official MSRP of $4.99 USD per pack. The site also notes that card contents are randomized and product specifications may be subject to change.

Product Highlights

• Official UNION ARENA Attack on Titan booster set [UE10BT]
• 16 booster packs per display box
• 12 cards per pack
• 100 card types + 6 AP cards in the set
• Includes alt-art cards
• Includes exclusive UNION ARENA illustrations
• 1 of 6 foil design box topper cards included per box
• Chance to pull foil signature cards featuring Japanese voice actors

What’s Included

• 1 sealed Attack on Titan Booster Box (UE10BT)
• 16 booster packs per box
• 12 cards per pack
• 1 box topper card from a selection of 6 foil designs