Okay so I was in a creative mood and came up with a very rough idea. I realize it's vastly different from the metal music you're thinking of, I'm gonna see if I can get closer to that sound when I have more time to work on this. And I'm not sure how much of it goes with the trailer but it might work for another scene.
If you guys don't like it I can start over from scratch, no prob. Either way, give me some constructive criticism. I tend to add string instruments to most of my songs which gives it a more dramatic feel (sometimes it's too much), but I can take that out. On the track I marked where the orchestra comes in if you can't tell

https://soundcloud.com/eternalwaking/chain-of-conflict-1