Contents |
---|
You need to complete H grade change mission to advance to H grade.
You need to complete G grade change mission to advance to G grade.
You need to complete F grade change mission to advance to F grade.
You need to complete E grade change mission to advance to E grade.
You need to complete D grade change mission to advance to D grade.
You need to complete C grade change mission to advance to C grade.
You need to complete B grade change mission to advance to B grade.
You need to complete A grade change mission to advance to A grade.