This track is composed from two parts. The first one is in the dark mood with orchestra build up till 0:53.
The second form 0:54 is in full epic sound.
Also, you get two versions:
Epic Trailer Choir 0:00 – 1:50
Epic Trailer – No Choir 1:50 – 3:40
Included instruments: strings, brass, choir, harp, percussions, deep synth bass and big epic drums.