Stay The Course by Kevin MacLeod
Atmospheric Creepy Dangerous Dramatic Mysterious Serious Suspenseful
A low rumble marks the seconds. Out of nowhere comes nothing! Just a continuous ominous force, never seen. You can see the ominous force if you sprinkle some iron filing around.
Ambient cinematic music. Kinda dark, kinda mysterious. No big changes throughout the piece, so this can easily be cut and edited down to your preferences.