The Heat Wave Arena Booster Pack is a Japanese-exclusive expansion released on March 22, 2024. Focused on Fire-type Pokémon and themed around intense battle arenas, this set brings the heat with explosive artwork and powerful attackers. Featuring Pokémon like Skeledirge ex, Armarouge, and Torkoal, the set delivers a fiery mix of new strategies and collector favorites. It contains 66 cards, plus Secret Rares, including dazzling Illustration Rares and Special Arts. A must-have for fire-type fans and competitive players alike.