Battle 2 (Final Fantasy III)
The Dreadful Fight (Final Fantasy IV)
Clash on the Big Bridge (Final Fantasy V)

I REALLY wanted to include Decisice Battle from Final Fantasy VI, but its rhythm did not match with the speed of these three songs, and when I put in the intro, it sounded weird, so I had no choice but to abandon the idea. Anyway, enjoy. It only took me 6+ hours of my life to make this medley, anyway...