heres wat i do anda 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 anda CATCH HIM CAUSE IF anda HAVE THE BERRY AS HIS ITEM HE WILL NOT DO WAT U SAY.TOO INCREASE CHANCES GET AS MANY POKEBALLS SAY anda HAVE 100 pokeballs anda HAVE A 200/5000 CHANCE!