It’s the last one I think
"Numerous ailments result in a slow, agonizing death."
Cinderella and the Narrator/Mysterious Man had the last bow.
If an essay is order Chronologically, then it is more or less like steps. So we would want a(n) transitional phrase that sounds like it could fit into a step process. That would be "Afterward," This phrase is most likely to show up in a chronological essay than the others. If you look at the others they are all shadowing further elaboration on something.
The answer is afterward