Scion- "Enter Sandman" by Metallica ("Exit light...enter night...")
Empire- "Head like a Hole" by Nine Inch Nails ("Got money Ill do anything for you...bow down before the one you serve...")
Herald- "Piano Man" by Billy Joel
Nexus- "Magic" by Olivia Newton John ("You have to believe we are magic...Nothin' can stand in our way...")
(Clearly talking a pair of bond mates. And yes, it was intended to sound totally gay.)
Battle- "Flight of the Valkyries" by Wagner (Think: "I love the smell of napalm in the morning").
Fortress- "Fire" by U2 ("But there's a fire inside me when I'm falling over...There's a fire in me when I call out...Falling...Falling..."
(Clearly talking about eyes of flame, cry of the phoenix, and...dying a lot.)
Bonus: Acolytes- "Give Peace a Chance" by John and Yoko Lennon
Outlander- "Fuck the Police" by NWA ("Ice Cube will <b>swarm</b>...On any muthafucka in a blue uniform.")
(Clearly talking about insect swarm.)
Bonus: Evil Outlander: "Firestarter" by The Prodigy ("I'm the fire starter...twisted fire starter...")