(Update)
If you are still encountering an issue where you cannot purchase crystals, restarting the Shadowverse app may solve the issue.

If this doesn’t solve the issue, please contact iTunes Store support. A proof of purchase may be required to complete this process, so please confirm if one has been delivered to your registered e-mail.

(Update)
We have confirmed that this issue persists even after restarting your device. We are working to solve this issue and will keep you updated.

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Due to heavy network traffic, some players may encounter an issue where they cannot purchase crystals. This issue can be resolved by restarting the Shadowverse app.

Thank you for your understanding and patience.

Shadowverse Team