Yep, we're aware of this sadly. A postjam version is in the making so hopefully everyone will be able to experience the game without having to worry about this guy, but in the meantime maybe you can try this is you want to give it another try:
If your press SPACE+F you can take out any enemy, this is a developer option that was left behind and not really the proper way of playing (is there even such a thing? lol), but we decided it was better for player to use these "cheat" instead of getting stuck forever at that point, so please use if you feel like it!
Ah, and thanks for the feedback!