A third concept could be the Black Joker's moral compass. Fanfiction could explore whether he is truly evil or if there are certain things that could make him question his actions and motives, perhaps through interactions with other characters that force him to re - evaluate himself.
Well, sometimes in such fanfiction, there are alternate universes. For example, a world where the Joker and Batman have to team up against a greater evil. This flips their typical dynamic on its head and makes for an exciting read.
One interesting concept could be alternative character backstories. For example, exploring a character's past that was only hinted at in the original work. Another could be different mission scenarios that test the characters in new ways.
The characters in Clockwork Joker fanfic are often another great aspect. They might have complex personalities that are shaped by the strange and mechanical world they live in. For example, a character could be part - machine, which gives them both mechanical abilities and internal conflicts about their identity.
Another concept is the Joker's influence on the story's tone. In a crossover with a more light - hearted or comical universe, the Joker could still bring his dark and menacing presence, which would create a really interesting contrast. His actions and words could disrupt the normalcy of that universe and force the other characters to deal with a level of chaos they're not used to.
One interesting 'Joker Black Butler fanfiction' could be about Joker's backstory before he joined the circus in the Black Butler universe. Maybe it delves into his past traumas and how he came to be the person we see in the series.
One interesting concept could be the use of magical spells for unique purposes. For example, in some black magic fanfiction, spells are used to communicate with otherworldly beings that normal magic can't reach. This adds an element of mystery and danger.
In 'the black eon fanfiction', perhaps the power dynamics are really engaging. There might be characters with extraordinary powers and how they interact with others who have different levels of power. Also, the plot twists could be a great concept. It could keep readers on their toes as the story unfolds in unexpected ways.
One interesting concept could be the exploration of unique powers. In black torch fanfiction, characters might possess powers that are different from the original source, like the ability to control shadows in a more complex way. Another could be the development of relationships. For example, characters that were just acquaintances in the original might form deep friendships or rivalries in the fanfiction.
One interesting concept could be new alien species. Maybe a species that has the ability to shapeshift into any human form and they use this to infiltrate the Men in Black organization. It would create a lot of mystery and action as the agents try to figure out who is real and who is an alien impostor.
One interesting concept is exploring Goku Black's backstory more in - depth. Maybe he has some hidden motives that were not fully explored in the original series.