The end really feels near. At this pace, the series might end within the next 15 chapters.
Zahid’s good luck was always a rather overpowered ability, so it is only natural for him to be written out of the series. I am a bit surprised that it was done by him leaving rather than dying though. Zahid, and Oscar too, followed in Udo's footsteps and survived all the death flags they were setting up.
This felt like a perfect resolution for Zahid (whose luck finally served people other than himself AND he convinced Oscar to live for himself rather than other people), and an adequate one for Oscar (as I personally feel we should have seen more of his interactions with others, particularly the Pope).
Disappointed, but not surprised, about Kathryn dying so soon. I liked the nuance to her character, though, and she served as a great foil to Oscar. Both of them were completely obedient to their leaders, but while Kathryn’s devotion prevented her from running away and resulted in her death, Oscar decided to stop fighting and save himself.
Even their powers were opposite, with Kathryn making objects perform previous movements, while Oscar made them return to a previous state. And in proud series tradition, the flowering resulted in an absolutely ridiculous power, Oscar was reversing entropy itself there.
We still need more elaboration about why some flowerings are temporary, and others become permanent.