One possible plot idea could be that the characters from Shane Acker's world face a new and even more menacing threat. Maybe a new type of mechanical creature that has even more advanced abilities than the previous ones. The survivors from the previous events have to band together and use their unique skills to overcome this threat. They might also discover some hidden secrets about their world in the process.
A plot could involve the main characters traveling to a new area that was previously unknown. In this new place, they find other groups of survivors who have different ways of surviving. There could be conflicts and also cooperation between the different groups as they try to figure out how to deal with the common threats that still lurk in this post - apocalyptic world created by Shane Acker. This could lead to new relationships and character developments.
One interesting Shane Acker fanfiction could be about exploring the backstories of the characters in his works in more depth. For example, delving into the childhood of a character and how it shaped their actions in the story.
The characters can be developed by giving them new fears. For example, if a character was fearless before, introduce something that makes them question their courage. Maybe they encounter a situation where they have to make a choice that goes against their moral code but is necessary for the survival of the group.
Another place to check could be fanfiction.net. It has been around for a long time and has a wide range of fan - created content. Just search for Shane Acker in the search bar, and you might discover some interesting reads.
Another plot idea is that they decide to move to a new city for Shane's music opportunities. But Mitchie has to leave behind her friends and family. It creates some tension at first, but then they discover new things about the city and each other, strengthening their bond as a married couple.
Maybe a plot where Abeke and Shane are on a quest to find a rare and powerful spirit animal that has the ability to change the balance of power in their land. Along the way, they encounter various obstacles and also have to deal with their own personal feelings for each other that start to develop during the journey. They have to decide whether their relationship is more important than the mission at hand.
Another plot could be about a mystery from the past that resurfaces. For example, a long - lost letter or a secret deal that was made during the original North and South era. This could bring the characters back together to solve the mystery and in the process, rekindle old relationships or create new tensions.
One idea could be exploring the aftermath of Daenerys' fall. Maybe a new leader rises from the ashes of King's Landing, someone unexpected like a former slave who learned a great deal from Dany's rule and tries to create a more just society. Another plot could involve the White Walkers not being completely defeated. A small group of them survived and are now plotting a new, more insidious attack on the Seven Kingdoms.
One idea could be that Shane and Mitchie's baby has an amazing musical talent that emerges at a very young age. Maybe they discover the baby can play a complex melody on a toy piano just by listening to music once. This could lead to cute moments of Shane and Mitchie being proud parents and also thinking about how to nurture this talent in a fun and age - appropriate way.
One idea could be exploring the life of Renesmee as she grows up and discovers new powers. Another could be a story about the Volturi's reaction to the new vampire - human hybrid situation in the long term. Maybe also a plot where Jacob and Renesmee face some sort of external threat together.
A plot idea might be that a long - lost relative of Ra's al Ghul comes to Gotham seeking revenge for his death. This new character could bring in some of the League of Shadows' old ways but also modern twists. Also, we could see the return of Catwoman in a more complex role, perhaps having to choose between her own interests and the good of Gotham.