Really well executed game. I love the visuals, everything fits together perfectly and the environment has a distinct mood about it. The music fit the game well too. I liked the story idea, and what was there was very well written, but i felt it was too fast-paced to really feel for the character, it was almost just like overhearing people talking as you walk by them. I think if time was taken to add more levels and expand the character development, the story would really hold up well on its own. I get that it was supposed to be general rather than a specific person to empathise with, but I still think there could have been some more depth to it. The only issue I had with the gameplay was the cooldown stuff already covered by other people. I found it pretty fun as a way to jump between each story element. Anyway the issues i mentioned are all pretty minor, they barely subtracted from whats still a very atmospheric game.
Also, I'm curious to know why you called the enemies ichor wraiths. It seems like that name was chosen for a reason but I can't think of what it might be