There are some **requirements** to fulfill in order for your friends to be eligible :

1. The friend you invite must have never played DC before.
2. They have to accept the request and enter the game
3. They have to pass the tutorial and really play the game
4. Fake accounts are detected and disqualified.
5. The requests have to be accepted within 24 hours, otherwise they expire.

Please make sure your friends comply with all of them to receive the resources you deserve.