There could be many. For example, some fanfictions might focus on alternate endings for certain characters. Maybe a character who died in the original story gets a new lease on life and goes on to achieve great things.
Another aspect could be the exploration of different time periods within the 'the last kingdom' universe. Fanfiction writers might take the setting and create stories set before or after the main events of the show. This could include how the kingdoms were formed or how they develop in the future, with new characters emerging based on the existing lore.
Another could be an OC who is a foreigner trying to make a place for themselves in the Saxon - Danish world of 'The Last Kingdom'. They might face discrimination but also bring new ideas and skills, like a different style of combat or farming. For example, they could introduce a new type of crop that could thrive in the local climate and change the food situation in a small village.
A great plot could be about a female character from 'last kingdom fanfiction' who disguises herself as a man to join the army. She then has to constantly hide her identity while also dealing with the challenges of war and her growing feelings for one of her comrades.
One interesting aspect is the cultural clashes within the love stories. The different backgrounds of the characters, like Saxon and Dane, add depth. For example, Uhtred's relationships often straddle these two cultures, creating unique tensions and moments of understanding.
A cool plot for 'the last kingdom fanfic' might be to have a character be transported back in time to a crucial moment in the kingdom's history. They would have the knowledge of what's to come but struggle to convince others to believe them. This could lead to all sorts of interesting twists. Or you could write about a character who is secretly training a group of women to be warriors in a society that doesn't really accept that. It would be about breaking gender norms and the challenges they face in a war - torn world.
One interesting Kingdom Heart fanfiction could be one that explores the backstory of a minor character. For example, a story about how a particular Heartless came to be. It might give them motives and a more complex personality than what we see in the game.
One interesting Kingdom manga fanfiction could be about a side character getting a more prominent role. For example, a minor soldier rising through the ranks in a different way than in the original manga. Maybe they use some unorthodox tactics that add a new dimension to the battles.
One interesting aspect could be the unique character interpretations. Maybe a character who was a minor in the original is given a more central and complex role in the fanfiction. For example, a sidekick character might be developed into a powerful force with a tragic backstory.
One interesting Kingdom Hearts gamer fanfiction could be about a new Keyblade wielder created by a fan. This wielder might have a unique backstory, like being from a world not seen in the original games and having to prove themselves among the known heroes. Another could focus on the relationships between the characters in different, more modern - day settings, like Sora and his friends attending a gaming convention in a fan - made world.
Well, in 'naruto kingdom key fanfiction', there could be stories about unique key - like artifacts in the Naruto universe. Maybe keys that unlock hidden jutsu or secret places. For example, a story might revolve around a young ninja who discovers a special key that leads to an ancient training ground of a powerful clan. This key could be the key to unlocking not only physical locations but also new levels of power within the ninja.
One interesting story could be about the characters exploring a new, mysterious world not in the original game. It might have unique Heartless and Nobodies with new abilities. The writer could focus on the relationships between Sora and his friends, like how they support each other in this strange new setting.