Completed "Step 10: Fuse with the Absolute God to finish the -3900 phase and view the credits." (
https://gamefaqs.gamespot.com/ps2/937839-baroque/faqs/59399)
I still have to complete the "post-game", which is A LOT of runs and re-runs and such. I guess I haven't the balls and the patience to do so right now, so I'll store my savestate on my GDrive and come back to it sometime in the future or just start over from scratch because OH GOD WHAT A COOL GAME