These are my favorite battle themes:
-Final Fantasy V Normal Battle
-Final Fantasy VI Normal Battle
-Final Fantasy VII Normal Battle
-Final Fantasy VII/Kingdom Hearts One Winged Angel
-Final Fantasy VIII Boss Theme (Ordinary)
-Final Fantasy VIII Final Battle (All of the 3 Final themes)
-Final Fantasy IX Normal Battle
-Final Fantasy X Normal Battle
-Final Fantasy X Other World
-Star Ocean 3 Normal Battle
-Star Ocean 3 Luther's 2nd Form
-Legend of Legaia Normal Battle
-Legend of Legia Final Battle
-Grandia 2 Normal Battle
-Grandia 2 Final Battle