Crossing Swords

Crossing Swords is Disc 1, Track 12 on the Xenoblade2 Original Soundtrack. It plays in the following cutscenes in Xenoblade Chronicles 2:
 * Rex and Pyra attack Malos aboard the Ancient Ship.
 * Brighid captures Nia in Torigoth.
 * Akhos gains the upper hand before Vandham fights him off in Garfont.
 * Poppi and Lila duel in the air in Mor Ardain's abandoned factory.
 * The party, alongside Mòrag, defeat 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.

It also plays in the following cutscenes of Xenoblade Chronicles 2: 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 Tornan Titan's limiter.