The Two Queens of Aionios

The Two Queens of Aionios is Disc 8, Track 7 on the Xenoblade Chronicles 3 Original Soundtrack and Disc 19, Track 7 on the Xenoblade Chronicles Original Soundtrack Trinity Box.

Its melody uses motifs from Ouroboros Awakening: Ouroboros 1 at 0:24, and Ouroboros 2 at 2:00. It also uses Off-Seer - Noah's B section at 2:36. The ostinato at 2:36 is adapted from that at the start of Ouroboros Awakening.

It plays in the following cutscenes:

Main story

 * Monica deploys the Gilgamesh in.
 * Melia and Nia bring their castles-turned-mechs to the fight against Origin in Chapter 7.

Sidequests

 * Zeon betrays B and Noah destroys 's Flame Clock during Where The Heart Is.
 * Bolearis resigns from his position as lieutenant of Colony 4 to become its Acting Commander during the quest, Rousing Bolearis.

Future Redeemed

 * Matthew gives the group a pep talk right before they leave for  in.