Union Arena Booster Box, Demon Slayer

Configuration

• 1 Booster Pack = 12 cards
• 1 Display Box = 16 packs

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 111 card types + 7 types of AP cards in the lineup.

In addition to this there's also alt-art cards!