Crimson Knight

Crimson Knight (called Blazing Knights on the Revival disc, sometimes unofficially referred to as Knight of Fire) is Disc 2, Track 3 on the Xenogears Original Soundtrack and track 29 on the Xenogears Original Soundtrack Revival Disc -the first and the last-. The track was remixed for the Xenogears 20th Anniversary Concert -The Beginning and the End-, and is the 15th track on the associated Blu-Ray disc.

It is the standard boss theme, playing as the music in the following scripted fights, often including the immediately prior and subsequent cutscenes:
 * The Wyrm in the Aveh Desert.
 * Brigandier in the Aveh Desert.
 * Calamity in the Stalactite Cave.
 * Schpariel in Bart's Lair.
 * Wiseman in the Aveh Tournament.
 * Ramsus (and Miang) in the Fatima Castle.
 * The Gebler Special Forces and Elly near the Kislev border.
 * The Dora near the Kislev border.
 * Leonardo, Heinrich, Suzarn, Vargas, and Rico in Nortune.
 * Redrum in the D-Block sewers.
 * Wiseman in Nortune.
 * Dominia above Kislev.
 * Dominia and Kelvena below the Yggdrasil II.
 * Ramsus and Miang below the Yggdrasil II.
 * The Giant Wels on the Yggdrasil II.
 * Seraphita and Tolone in Zeboim.
 * Stein on the Yggdrasil II.
 * Ramsus and Miang at Babel Tower.
 * Seibzehn (Maria) at Babel Tower.
 * The four Gate generator battles in Shevat.
 * Shakhan at the Ignas Gate.
 * Dominia and Kelvena at Babel Tower (both fights).
 * Seraphita and Tolone at the Nisan Mausoleum (both fights).
 * Ramsus near Taura's house.
 * The Sufal Mass in the Soylent system.
 * The Elements in the first Anima Relic dungeon.
 * The G-Elements in the first Anima Relic dungeon.
 * Deus at Mahanon.
 * Ramsus at Mahanon.
 * Weltall-ID in the Land of Bethlehem.

It also plays as the music in the following cutscenes:
 * Gears descend upon Lahan Village.
 * Stein appears in Alkanshel above the Yggdrasil II.
 * Dominia attacks the Gate generator in Shevat.
 * Shakhan confronts the party at the Ignas Gate before being powered up by Grahf.

A version of the track that is identical except that it is slower plays in the following cutscenes:
 * Ramsus's ship descends into Bledavik.
 * Elly prepares to lead the Gebler Special Forces for the first time.
 * Elly and the Gebler Special Forces are briefed on their mission to support the Hecht.
 * Elly and Dominia argue before carrying out the Hecht mission.
 * Ramsus gives the order to attack the Kislev ship.