When it used to just be a cutscene, I used to save before entering just so I could rewatch it.
I'm glad I can actually fight him now. Two Become One has become my favorite Keyblade
Roxas's FM-exclusive boss is one of the greatest displays of friction in a video game ever and a genuine showcase of why hard difficulty is ok. a difficulty spike this sudden in any game is absolutely unreasonable but for this character reentering the narrative it just works.