heres wat i do you have a 1/5000 chance of some of the legedaries to have it.Cause i fought dialga and when i caught him he had the berry but REMEMBER TO SAVE RIGHT AFTER YOU CATCH HIM CAUSE IF YOU HAVE THE BERRY AS HIS ITEM HE WILL NOT DO WAT U SAY.TOO INCREASE CHANCES GET AS MANY POKEBALLS SAY YOU HAVE 100 pokeballs YOU HAVE A 200/5000 CHANCE!