Destroy the world with your tactics!

Characters include members of Ashford Academy, the Black Knights, and The Holy Empire of Britannia. Board a KMF and conquer your opponent's field!

Level up the fun of UNION ARENA!
There are 12 cards/pack for Booster Pack products.
There are 4 levels of rarities, which are "Common (C)", "Uncommon (U)", "Rare (R)", and "Super Rare (SR)" while AP cards are included at a low pull rate.
There's a total of 108 card types + 7 types of AP cards in the lineup.
In addition to this there's also alt-art cards!
Power up your favorite deck and make playing UNION ARENA even more fun!