The Shugo Chara anime didn't complete the manga. There were still parts of the manga story left unexplored in the anime adaptation. This is quite common in many anime-manga pairs.
One popular theme might be the relationship between the main characters. Since the original work has complex character dynamics, fanfics often explore and expand on these relationships further.
I'm not sure about specific fanfics for 'saijaku muhai no bahamut lux' off - hand. But you can try looking on fanfic platforms like Archive of Our Own. There are usually a lot of fan - created works there for various series.
A 'chara inflation fanfic' is often about a character in a story experiencing some form of inflation, which could be physical in a fantastical or metaphorical sense. It might involve a character in a fictional world, like from a movie, game or book, suddenly inflating in size and the story exploring the consequences of that change. For example, if it's a superhero character, it could show how their inflated size affects their ability to fight villains or interact with their friends and the city they protect.
Well, the age difference might make Chara more protective of Asriel. Since Chara is older, they could act as a sort of guardian figure. They might be more responsible for Asriel's well - being and teach him things.
The relationship could be complex. Chara's parents could have been loving but also had their own secrets or problems. For instance, they could be involved in some sort of political unrest in the human world that they tried to shield Chara from. But Chara, being perceptive, sensed something was wrong. This added layer of mystery in their relationship could add depth to the fanfiction.
I'm not entirely sure specifically what that 'rwby army of chara fanfic' is about without reading it. It could potentially be about an army within the RWBY universe related to a character named Chara. It might involve battles, strategies, and the development of this army within the context of the RWBY world.
A common theme in 'flowey x chara fanfiction' is the exploration of the characters' true natures. Chara's true intentions and Flowey's capacity for good or evil are often delved into. This can create some really intense and thought - provoking stories. Also, the theme of identity is sometimes explored. As they interact, they may question who they are and how they are perceived by each other.
To start writing a chara crossover fanfiction, you should start with brainstorming ideas for how the characters will interact. Will they be friends or foes at first? Also, think about how the different rules and worlds of the original characters will blend or clash. For example, if you're crossing a magical character with a non - magical one, how will that work? Sketch out a rough outline of the story, including the beginning, middle, and end. You can start with a simple premise like 'What if these two characters met?' and then build on it. Consider the character arcs for each of the crossed - over characters. How will they change during the story?