Solved
The Mastery quest did not appear after the weapon reached level 10.
Recently, perhaps due to server lag, some players have not receive the Mastery assignmentin their Assignments list after their weapons reached level 10.（Some players haven't receive the assignmentin ...
Hi Kim_Jon_Un1984,
I'm sorry to say that nobody here can help directly with this problem, as no-one can access game accounts to provide missing in-game items. This is for security reasons as there's no way of confirming account ownership.
Unfortunately, in this case you will need to go back to EA Help and try again.
