Union Arena TCG Japanese: [UA10BT] My Hero Academia Booster Box.. DREAMS CAN BECOME REALITY! In a world where about 80% of the human population has gained superpowers called "Quirks", Izuku Midoriya is a young man who dreams of becoming a Hero despite being bullied for lacking a Quirk. After an encounter with his idol, All Might, who is the world's greatest hero, Izuku is chosen by All Might to inherit his Quirk "One For All" and become his successor! Union Arena UA10BT features cards from the manga and anime