Thanks for all the feedback! I also lack experience in bullet hells so it's kind of a blend of traditional bullet-hell tropes and my own design choices. From what few I've played, I got the sense bosses in these games commonly do soak a lot of damage and leave just small openings. That's why the 2nd and 3rd bosses are the way they are, not that I'm defending my design decisions. They're also my least favorite because way less time went into designing them than the first