Battle of Elsa

battle of Elsa is Disc 1, Track 20 on the Xenosaga II: Jenseits von Gut und Böse ~Movie Scene Soundtrack~. is a remix of this track. It plays when the E.S. Dan attacks Shion and Allen in the E.S. Dinah (before and after the scene where KOS-MOS ver. 2 awakens), up until KOS-MOS joins the battle.