The Battle is Upon Us

The Battle Is Upon Us is Disc 2, Track 9 on the Xenoblade Original Soundtrack. It plays during these cutscenes:
 * When Kallian's allied forces Sword Valley after the battle against in Mechonis Field
 * Later again during the battle in Sword Valley after the party enters the Agniratha Transporter
 * When the party decides to head for the Bionis' Interior with Junks to hunt down Zanza and his disciples