This was the Void level. You have fought Delirium, the lord of chaos and disorder. It shot a lot of white orbits, making a bullethell, and turned into the most annoying and tough bosses you have ever seen. But now it has something like 300 HP, so it decided to make the last move. Delirium turned into... A pretty girl with lush curly hair. It makes a gesture with his hands like 👉👈

“A-are you sure you want to do this?”