The worst thing is, its not the hardest of the arena bosses. Just the one that trolls you the most.
(You should have done it before. They were running an extra 50% trade-in bonus earlier this month. I got $40 from trading in Black Ops alone.)
(...that sounds like me when I first play a new Pokemon game. Then again, I usually only train my starter, so by the E4 they are in the 60's and 70's while everybody else is in the 30's ;o. The only exception is my first playthrough of Pearl: instead of an overleveled Torterra, I had an overleveled Staraptor who just tore apart EVERYTHING. I mean, he beat the ENTIRETY of the 7th&8th gyms BY HIMSELF. He was a truly awesome Staraptor.)
(I know, but still. The early parts of the game were much harder because of that, and plus being able to cure everybody was always useful when a boss was just going apeshit on you. And I remember Ragnarok! It was so awesome if you timed it right. Too bad its only available in Final Mix-and good thing I imported it and did some modding to my PS2 to make it able to play it.)
(Yes I am. There's a reason that one of my PS2 controllers is missing it's R1 button, and the right stick.)
((...I can see your point about wanting to restart Santic. I, too, am getting bored with the setting, and was in fact about to post having Psy tell everybody in his group that he is teleporting them out of there whether they like it or not. But then I remembered that's probably godmodding, and promptly went back to the drawing board. Still, if we restart now, then there will be some people who will be disgruntled, and I will also not like having to restart from the bottom with Psy again(hey, it's a remake and I'm lazy with new characters.)
Of course, there is one last option you have: you could always do the god of all timeskips, aka skip us forward a few days, weeks, or even MONTHS. That way we could get out of this endless cycle of the setting since then we could be possibly halfway across Lasvion, in a totally new environment. That also brings about its own issues, but then again, it could be a better option to a complete and total wipe.))