Instead of simply recording it from the phone, I cut the audio from the original OST and looped it together as you would hear it in-game. Maybe it's better quality? Who knows. Either way, here's the 3 battle themes you would hear throughout the event.
Standard Battle = 0:00 ~ 5:05
Fatal Battle = 5:06 ~ 10:04
Grand Battle/VS Shiki = 10:05