Was it?
Oh wait, I cheated.
So it might've been brutal but I didn't notice because I cheated.
But yes, Chaos Brain has an epic theme.
Kinda made me wish there was a place like that in the XSP, haha.
For me it was. It's a good thing that his Moon Tears don't heal very much because it's already bad enough when his ChronoDSR inflicts sleep and his attacks like a truck. Then again, I did have a somewhat easier time on Dawn than I did with Dusk.