Simply awesome!
This is one of the coolest songs that I have ever heard on Newgrounds! What's so great about this is that it's so well paced as it builds up its tension and releases in wonderfully! It has a brief moment of rest before go back to even more insanity. I think this is the perfect music to use for a final boss battle of any kind of game. It may in fact be the most epic and appropriate battle music I have ever heard on the site! The sense of action that this gives off is simply flawless.