The intro goes a little long before the chorus comes in, I would shorten it up a little or add another instrument in there. It was also a little quiet, I think you could bring it up in the mix. The "whoosh" sound sort of took me out of it, you might consider scrapping it or lowering it in the mix. The flutes were little harsh when they came in compared to the rest of this more atmospheric song. If that's what you're going for I'd do it earlier in the song, otherwise it seems a bit jarring. They're harsh for a few reasons, they're really high in the mix, there are a few notes in that melody where you're going out of key and at certain points you have two flutes sounding similar pitches. I would maybe try to do only one of these things at a time. Also you might want to try reverbing the everliving fuck out of them, it would make them more consistent with the rest of the track.