epilogue
US /ˈep.ə.lɑːɡ/
UK /ˈep.ə.lɑːɡ/

1.
a section or speech at the end of a book or play that serves as a comment on or a conclusion to what has happened
:
•
The novel concluded with a poignant epilogue.
•
The play's epilogue provided a glimpse into the characters' future.