At the game home screen (Home) click on the "Mailbox" function, illustrated:
Mailbox is place to receive user notifications, receive rewards from Arena activities, National War, ....
Click on the “Mailbox” icon on the main screen, the following screen will appear:
Users can get fast rewards from all messages by clicking on “Receive all”. Messages will be automatically deleted after 30 days or users can actively delete them by clicking the "Delete" button at each message.
Clicking on a message will bring up the following screen: