If you are having difficulty making an in-app purchase, then please try the following steps in the order listed:
- Close out DC Legends entirely
- Log out of the App Store on your device (this can be done from the Settings menu on your iOS device)
- Open DC Legends
- You will receive a prompt to log into the App Store/your Apple ID
- You should now have your previous purchase, and be able to complete additional purchases
If these steps do not resolve the issue you are experiencing, then please reach out to Apple's support for further assistance.