Really awesome take on the theme, amazing job on the illustrations too, they look great especially with the limited palette. I liked the memorizing the enemy move set mechanic as well, I think it would be a really interesting idea to expand on (with different abilities, attacks etc).
I have two points of feedback:
First I would say, for me, there was a bit too much text in each of the dialog popups. I get that you're going for story and atmosphere, but breaking up the text into smaller chunks and letting the illustrations 'speak' a little bit more I think would help with the mystique that you're trying to invoke.
Second, a hover tooltip system for the combat controls would have been nice. Just to have them show up in the bottom right console window would have helped a lot with the control intuition.
But overall very cool aesthetic and solid entry, good work!