This is probably just me, but I really liked Neia and her role in the two-parter about the Holy Kingdom. In fact, she was the first character that made me feel something about their untimely death. And regardless of how cliched it was, I was actually glad that she got resurrected. And while vol 13 covered a lot, I felt that the meeting with CZ was introduced somewhat late, and that it should've been done at the beginning of the volume. This way it appeared to be somewhat rushed, and her relationship with Neia seemingly developed while missing a few steps.
Next up is probably Slane theocracy. Since the stage is getting set up in the Re-Estize kingdom, and both the Holy kingdom and Empire are a done deal, the only alternative would be the Dragon kingdom, because they seem to be slightly wary of the dragon's role in the Council state. And this is just a random tidbit I've read somewhere, but apparently, Maruyama plans to wrap up the story in less than 5 volumes. Would be a bummer if he only focused on the regional side of things
