Good Lord the audiophile is really going to show here. I should probably at some point build this properly into a playlist so that it tells the story the way it does in my head but for now here's the scattered and splattered version.
Sasageyo (theme from Attack on Titan)
Behind Blue Eyes by The Who
Believe by The Bravery
Build That Wall (Zia's Theme) by Darren Korb
Centuries by Fall Out Boy
Desert Rose by Sting
Dragonslayer (theme from Fairy Tail)
Morning Sky (theme from Crystal Chronicles)
Futatsu no Kodou to Akai Tsumi
He Lives in You (from The Lion King)
Hero by Chad Kroeger
Hey You by Pink Floyd
Hinnamatoom (theme from Killer Instinct)
History Has Its Eyes On You (from Hamilton)
Magnet (any version, though I prefer Len & Rin)
Destiny's Force (theme from Kingdom Hearts)
Dive To The Heart (theme from Kingdom Hearts)
Hollow Bastion Theme (from Kingdom Hearts)
Lacrimosa by Kuroshitsuji
La Cour des Miracles (from Notre Dame de Paris)
Lune (from Notre Dame de Paris)
Magnum Bullets by Night Runner
Moment of Surrender by U2
My Name is Human by Highly Suspect
Mysterious Ways by U2
Radioactive by Imagine Dragons
Raver's Fantasy by Tune Up!
Skyfall by Adele
Starlight Brigade by TWRP
Swordland (theme from Sword Art Online)
Tears From The Moon by Conjure One
The Catalyst by Linkin Park
The Natural Heart by Miracle of Sound
The River of Dreams by Billy Joel
Through Heaven's Eyes by Brian Stokes Mitchell
When You Believe (any version, but Pentatonix's is especially good)
Walk on Water by Thirty Seconds to Mars
We Know The Way (from Moana)
Wild Things by Alessia Cara
The Bells of Christmas by Loreena McKennitt