This took WAY too long... I also had to re-mix everything because the track was clipping in the high-end and my headphones couldn't detect any clipping. However, when I switched to different headphones, the stereo sounded completely different and trash. Very annoying :/
I would add some compressed drums to the bass you have going on whenever you next edit the song. You would need a punchy kick that has that full texture and maybe have some hi-hats panned into different directions, a clicky snare drum with nice transient. I love the eerie atmosphere of the pad as well, that's something you would hear in a film for sure.
i really like the atmosphere that emerges from this track, and i can easily imagine a universe around this dark atmosphere.
as for the end of the track, i think everyone will see their own desire there. i like it a lot and i am not capable of creating such a precise and intense piece.
if you're missing something at the end, i think it's not much, maybe a better transition or a fade?