Sequel Bait

G'mmm, that's a good cliffhanger!

If a book, series, book series, or other story ends with something that just screams "This ain't over!", that's most likely this. UnTrashes that could lead to this include seeing that the Villain isn't truly dead, The End?, or leaving you with Exactly 8.3 Million unanswered questions that will eventually get answered.

When a franchise Sequel Baits its audience like this, that could get them excited for more of it unless they're aware of the Sequel Curse. This could also upset the same audience as they believe the story ended just perfectly with no Loose Ends or One-Way Questions.