Crossing Swords

Crossing Swords is Disc 1, Track 12 on the Xenoblade2 Original Soundtrack. It plays in the following cutscenes:

Xenoblade Chronicles 2

 * Rex and Pyra attack Malos aboard the Ancient Ship.
 * Brighid captures Nia in Torigoth.
 * Akhos gains the upper hand before fights him off in Garfont.
 * Poppi and Lila duel in the air in Mor Ardain's abandoned factory.
 * The party, alongside Mòrag, defeats Mikhail and Patroka in the abandoned factory.
 * Lora and Haze spar with Addam and Mythra in Aletta (flashback).
 * Fan la Norne halts the Titan in Temperantia.
 * The party frees Pyra from the Titan weapon in Theosoir.
 * Jin incapacitates the party at Genbu Crown.
 * Rex and the newly-awakened Pneuma fight Jin at the Cliffs of Morytha.
 * Garluses attack the party during Dahlia's Blade Quest, Fly in the Ointment.
 * Electra recognises the child she shocked earlier being attacked by an Arachno in her Blade Quest, Go for it, Electra!.
 * Volffs attack Theosoir in Godfrey's Blade Quest, Flames of Justice.
 * The party encounters the Laia in Temperantia during Herald's Blade Quest, The Calm and the Storm.
 * KOS-MOS destroys Blade Bots outside the World Tree in her Blade Quest, Artificial Intelligence.
 * The party confronts child traffickers at Genbu Port during Perun's Blade Quest, Eternal Spirit.
 * The summoned Gluttonous Pterix attacks the party during Vale's Blade Quest, The Ties That Bind.
 * The Enraged Gogol throws rocks at the party during Wulfric's Blade Quest, Tender-Hearted Beast.
 * A second wave of Indoline monks attack the part during T-elos's Blade Quest, Lingering Resentment.
 * Crossette enrages the Ignas in their lair during her Blade Quest, Bright Spark.

Torna ~ The Golden Country

 * Lora and Jin fight a pack of wild animals in Lasaria.
 * Lora and Jin use their weapon-passing technique against Addam and Mythra.
 * Mythra duels Brighid in the remains of Torigoth.
 * Lora and Haze spar with Addam and Mythra in Aletta.
 * The party defeats the Slithe Jagron near Hyber Village.
 * Azurda shows up to the fight against Malos, who successfully steals the n Titan's limiter.

While the full track does not play in any of the above cutscenes, all parts of the track do play in-game. For example, the first part of the track plays in the Ancient Ship cutscene and the last part plays in the Bright Spark cutscene (both mentioned above).