I played until I ran into the invisible wall, which happened after the boss killed me on my second run (I don't know how much health I had or if this was supposed to happen since there was no indication of my health or if this would progress the story). I also ran into a massive bug where the text box was bigger than my screen resolution so I could never fully read what was written. I agree with Vivian on the knockback / indication you or an enemy has been hit, I believe that would go a long way for the combat system. Overall, I really enjoyed the music and graphics and can't wait to play the rest of it once you fix the invisible wall!