To be honest
I dont think I could peg this as a battle theme. It feels a little more like an event theme for a special point in a game, a battle event, perhaps, but otherwise it seems to be trying to cover alot of things at once instead of simply "This is a random battle,"
Its a good theme all the same, I cant argue that, it just seems too special especially when it starts to change to what could easily be something different at about 1:10. The only (almost) consistent element really is the background beat.
The change in the tune simply make it seem more like its part of a planned event. I dont know if I entirely make sense with what I'm saying, so I think I'll just end with saying good job either way.