User blog comment:Plexioth- xD/Monster Hunter 3 Ultimate/@comment-4564916-20111030191722/@comment-3007415-20111030210935

Well subs have always been slightly harder than the regular ones, and they are also affected by the level of difficulty you are in. I'm guessing they'll be harder. Oh and some might get G-rank moves, so that adds some more difficulty. :)