200px|right To Kill a Demon is a song included in the Halo 3: Original Soundtrack. It plays during the level Tsavo Highway.
Note: The name of the song is most likely derived from the dream of each Covenant soldier to "kill the Demon."
The beginning of the song has the same melody a part in "This is our Land".
It contains a remake of Rock Anthem for Saving the World from the original Halo, played during a little after the beginning of the song
It runs for 3:42. Template:Halo Music