Interesting. I'm going through on Easy right now for my pistol achievement, so I'll have to check this out when I get there. May make my insanity run slightly easier (though the worm wasn't really all that difficult compared to the other bosses.)
Fear not, my brothers! The next generation of gaming is upon us! Be glad! A reward for all your toil and all your sacrifices is upon us.
There are those who said this day would never come. What have they to say now?
(Yes, I ripped off a quote from Halo 2 and modified it to my own purposes. Sue me.)