TAKE X/The Centrality - Discussion

Nah, every character was going to have a role they could play in the final chapter, though some were necessarily going to have bigger roles than others. So, if Justice hadn't lost her chapter, she would have been useful in the final chapter by helping ward off the Miracle Men. But, like you said, they didn't need to show up since she was already there.

As far as losing conditions go, these were the ones that I remember off the top of my head. I didn't necessarily know these conditions at the start of the chapter in question, but they're the ones that occurred to me at the time.

Palmer - Either touched the demon first or lost to Blue
Celeste - Lost to Blue
Duximas - Lost to Mysterious Circumstances
Makram and Giovanni - Either got too close to some of the creatures in the sewer or lost to Pia Amata
Justice - Didn't escape from the Miracle Men or lost to the boss of her chapter
Shadan - Didn't escape from Emek
Sienna - Lost to Blue