feedback:
have the game run non-full screen if you can since its about the size of the viewport on itch.

The Q button is too close to the W and A buttons and the user accidentally presses Q which restarts the game.

Love the visualisation of the Door cracking.

i was having fun running around attacking with the sword and got to level 3 until i had to go Up towards a green troll. i wasnt able to attack upward, and got wasted.

maybe adding like some ambient sounds to the game would be interesting. like realistic cave sounds of water droplets.

there could be a high score board.

i dont know if you want to change the movement system so that you can hold down the move button or if you like the tapping of the key to move. would future iterations of the game (say a 3d version) have you move space by space. you mentioned this is NOT an action game...