Intrigue

Intrigue is Disc 1, Track 14 on the Xenoblade Original Soundtrack. It plays during these cutscenes:
 * Shulk and Reyn being spotted by a Mechon on Kneecap Hill in the Tephra Cave area
 * Shulk and Reyn finding Juju's buggy abandoned in Gaur Plain on the Bionis' Leg
 * The party reaches the Decayed Forest in Makna Forest
 * Lorithia's research in the cutscene that plays as the party is travelling to Eryth Sea
 * Melia reaches Alcamoth and Yumea, Tyrea and Lorithia discuss their duties
 * Kallian notices Yumea and Tyrea in the in Alcamoth
 * Lorithia escorts Melia to the entrance and the party decides to go after her in Whitewing Palace
 * Alvis' and Lorithia's discussion after Melia's ceremony
 * Metal Face and Face Nemesis reaching Eryth Sea
 * Metal Face seeing Face Nemesis take off for Valak Mountain
 * After Shulk loses control over the Monado near Junks at the Ventilation Conduit in the Central Factory
 * After Tyrea was taken to Junks in the Melancholy Tyrea