My 7 star Admiral Piett at Relic 2 suddenly lost a star, down to 6. Kept the relic 2 status. This prevents hin from participating in 7 star events and guild battles. EA help chat said they would ...
Ideas
If you have used him in GAC in the past and have an ally code, that'd be the proof you need to show a star was removed. However, you can now go into relics without characters being 7 star. Do you think that is what has happened?