I really liked the artwork and the atmosphere.
It didn't feel like the mechanics were very intuitive unfortunately, and there wasn't a lot of explanation in the game. It took me a while to work out how the time/mana system worked, I think partially because the UI wasn't very clear to me.
I think it could really benefit from animating the health bars and the time meter values changing so that you can more easily see what's happening each turn.
I also didn't really know if there was any progression since either winning or losing you just get shown 2 options for what to fight next