http://www.youtube.com/watch?v=trf9g-ZpDF4 This one is a somewhat creepy theme, but it is for a final level and adequately serves its purpose keeping the player on edge and they fight their way towards the games final boss.
8. Sacred Moon (Kingdom Hearts II)
http://www.youtube.com/watch?v=rhyRoaMw4RU This is a theme that has both dark and light elements to it, starting off tense but becoming much more uplifting as it progresses. Like the tune before it, its the background music for a final level, and if these two are anything to go by, the music in Kingdom Hearts IIIs final level will have to be sublime to merit comparison.
7. Olympus Coliseum (Kingdom Hearts)
http://www.youtube.com/watch?v=I7ybTVKIVKo This theme is the background music for the home world of Hercules, an arena in which players can take part in a series of fighting tournaments and/or challenge some of the games most difficult foes (including Sephiroth from Final Fantasy VII). Sounding somewhat triumphant, it serves as an excellent piece to motivate players for such battles.