熱波アリーナ (Heat Wave Arena): Japanese Pokémon TCG Set Guide (SV9a)
熱波アリーナ (Heat Wave Arena) is a special subset in the Japanese Scarlet & Violet series, headlined by Cynthia’s Garchomp ex and Ethan’s Ho-Oh ex. This high-energy mini-set delivers Trainer-owned Pokémon alongside the three winning designs from the 2024 Pokémon TCG Illustration Contest.By PulloraX · Published 30 Octobe
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熱波アリーナ (Heat Wave Arena) is a special subset in the Japanese Scarlet & Violet series, headlined by Cynthia’s Garchomp ex and Ethan’s Ho-Oh ex. This high-energy mini-set delivers Trainer-owned Pokémon alongside the three winning designs from the 2024 Pokémon TCG Illustration Contest.
By PulloraX · Published 30 October 2026
Set overview
Series: Scarlet & Violet
Set code: SV9a
Japanese name: 熱波アリーナ
Release date: 14 March 2025
Total cards: 92 (63 main set + 29 secret rares)
Pack configuration: 5 cards per pack, 30 packs per box
Key cards
Cynthia’s Garchomp ex is the headliner, appearing across multiple rarities including Special Art Rare and Ultra Rare. Ethan’s Ho-Oh ex also features as a SAR and UR. Other notable pulls include Yanmega ex, Arven’s Mabosstiff (SAR) and the Supporter card Ethan’s Adventure (SAR). SR highlights include MC’s Hype and Judge.
What is in the box
Each booster box contains 30 packs of 5 cards. Early purchase boxes include a special 3-card promo pack featuring the winning artworks from the 2024 Pokémon TCG Illustration Contest.
Shop this set
Browse Japanese Pokémon sealed product or read more in the PulloraX Magazine.
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Heat Wave Arena SV9a Japanese Pokémon Booster Box
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