Great work at creating a driving and ominous vibe! I loved the usage of orchestral sounds, specially horns, at specific moments to punctuate the rising tension of the percussion focused theme. The single note played with the electric guitar also works great as a basic leit motif, albeit loses some force when we have already heard it several times and also you used a higher note, kind of feeling a need for a resolution, but this is not a problem, as precisely the point is a disaster is coming, so alas no resolution I am afraid for those poor folks about to be destroyed... The mix also sounded fantastic to me (I am listening to it in closed headphones).