: You must use a Japanese iTunes account. You can buy Japanese iTunes gift card codes from third-party sites like Japan-codes.com and redeem them on your Japanese account.
: Bandai Namco offers an official web store where players can sometimes find exclusive packs, though cancellations are generally not accepted after purchase. 2. Ways to Get "Free" Dragon Stones buy dragon stones
: You can buy stones directly through the in-game shop using your device's standard payment method (Google Play or Apple App Store). : You must use a Japanese iTunes account