This means that if you previously played on PS3, your guardians will be available to you on PS4 when you log in with the same PSN ID. The same principle applies for upgrading from an Xbox 360 to an Xbox One.
This means that if you previously played on PS3, your guardians will be available to you on PS4 when you log in with the same PSN ID. The same principle applies for upgrading from an Xbox 360 to an Xbox One.