I've been thinking a lot about City Walls being the final part of the lore, and trying to reconcile how it could introduce the idea of the Nova Bishop without feeling too rushed or ending on a purely bad note.
I think it might split into two timelines in this video, one which shows the cycle continued and another which shows it broken. In the cycle timeline, we'll probably see Clancy overcome by the corruption of his powers, and he'll defeat Nico and the other bishops, and take over as the Nova Bishop, basically becoming the new Nico. There's a lot of hints tying Clancy to the bishops, so I do think he's the most likely one to be the Nova Bishop.
In the other timeline, I think we'll see something more similar to the 2011 performance with the bishops. Clancy doesn't give into his corruption, Nico (and potentially the others) start to win, and then TB and the other Banditos come in and rescue him, ultimately letting him escape. This is probably where we see Dema on fire, but I think the bishops won't be truly permanently defeated in this timeline.
This would be a nice way to tangibly show both the outcomes of Clancy rejecting and accepting the support of those around him and make for an ending that is satisfying, but not too straightforward, with some room for ambiguity on either side.