I almost gave up and threw the file in the bin. It took 10 tries or so. Is there no way to get rid of overcast? My characters were about as strong as possible. To compare, I just beat kefka which took one try. The only other fight which took more than one try was Ashura, or whatever the guy who freezes you is called. As soon as I took off reflect rings that fight was easy.
Okay, while Kefka did indeed fall in one attempt some of the other bosses took a few tries but I never got frustrated or felt they were unfair. Myria is really the only one I would call unfair.