From Halopedia, the Halo wiki
Album:
Halo Wars 2: Awakening the Nightmare Original Soundtrack
Composer(s):
Gordy Haab, Brian Trifon, and Brian Lee White
Length:
2:14
Previous:
That Old Life
Next:
Corroded
Blood Oath is the ninth track of the Halo Wars 2: Awakening the Nightmare Original Soundtrack.