Trails in the Sky SC - Silver Will Super Arrange (extended, in game loop) 

Background theme in Trails in the Sky SC.
Plays when the Arseille flies towards the Liber-Ark in the final chapter and when Joshua solos Loewe on the Axis Pillar.
Also plays as a boss theme in Trails in the Sky the 3rd.
Sora no Kiseki SC - Gin no Ishi SA