This is really a very interesting game.
All the elements (musics, sounds, lighting, story, animations, level design, Visual Art) are so well orchestrated that create a majestic atmosphere... This game has true potential for even sell very well on Steam (or at least a sequel of it). Please think about it.
The only thing I would try to improve for now, is the Player Controller (I mean: maybe the Character should only walk in the 'forward' direction, and you could use a quicker animation for the Rotation, so the player should no wait for that to happen - resulting in a smoother movement for advanced players).
Thank You for sharing this Gem with us, I am glad I played your game.