Favorite moment/boss?

Been listening to the Automata OST for the past few days and I keep thinking about my favorite battles of the game whenever the theme plays. It always makes me want to go back to them and play them just because if how fun they are, and how good the music is.

Most notable are The battle between So-Shi as 2B, the battle against Grun, and anything involving the Tower, especially when you’re having to switch between 9S and A2’s perspective every five seconds (LOL)

Was curious if there was anyone else who goes back to specific bosses or moments, and what those moments are