OHKO a boss! It's possible!
I OHKO'd Queen Ophiuca, so it can be done.
OHKO a boss!
Say which one, and say how (what card you used, and panel bonuses if any).
No GameShark or Action Replay codes may be used in attempting this challenge. Wave Cards (or whatever they're called) may be used for zenny and/or cards.
Like that, okay?