Very cool! Nice polish. I did have a lot of fun playing this, it's one of the more fun examples of "you literally can't control your character" I've played this jam. I would say, there are some frustrating elements.
I'd suggest giving the player a few lives for his fireballs, not necessarily enemies. This is especially needed when near walls, which can randomly be insta-self-kills. Also, showing the ransom direction of the next attack could be useful, like the next tetromino in tetris.
Also, please increase the hitbox size on the enemies. Just grazing their feet is quite frustrating!
All in all, good job! I had a lot of fun playing this, and I hope you had fun too!