One interesting storyline could be Nightwing and Ivy Lemon teaming up to solve a mystery in Gotham. Maybe they start off not trusting each other but as they face various challenges, they learn to rely on one another.
Perhaps there's a fanfiction where Nightwing is injured and Ivy Lemon takes it upon herself to nurse him back to health. During this time, they have deep conversations about their pasts, their goals, and what they want for the future of Gotham. This could lead to a romantic relationship developing between them, which would add a whole new dynamic to the story as they then have to balance their feelings with their duties in the city.
The main characters are, of course, Nightwing and Ivy Lemon. Nightwing, a well - known hero from the Batman universe, brings his skills in combat and detective work. Ivy Lemon, on the other hand, is likely a character created specifically for this fanfiction, and she might have her own unique abilities or traits that interact with Nightwing's in interesting ways.
One interesting storyline could be them teaming up against a common enemy from another dimension. They both have unique powers and skills, so seeing how they combine their abilities to fight would be great.
In some fanfictions, the pregnancy could be a catalyst for them to re - evaluate their relationship. They might have to deal with unexpected emotions and insecurities. For example, Nightwing could worry about being a good father like his own was, and Artemis might have concerns about how motherhood will change her role as a strong, independent hero. As the pregnancy progresses, they could grow closer as a couple, learning more about each other and building a stronger foundation for their family.
One interesting storyline could be Poison Ivy trying to convert Batman to her environmentalist views. She might use her powers to show him a future where Gotham is destroyed by pollution and convince him that her extreme methods are necessary. Another could be a story where Batman has to rescue Poison Ivy from a more dangerous villain who wants to use her powers for evil. This would put them in an unexpected alliance situation.
One interesting Nightwing lemon fanfiction could be one where he has to go on a secret mission in a foreign land and there he meets a mysterious character who changes his perspective. But remember, most such fanfictions might not be canon and are more for creative exploration.
One interesting storyline could be Nightwing joining the Teen Titans on a mission to stop a powerful new villain who has the ability to manipulate time. This would create a lot of chaos and force the team to think on their feet. Another could be Nightwing having to train a new and inexperienced member of the Teen Titans, leading to some comical and also heartwarming moments as they bond.
One interesting storyline could be them going on a heist together. They use Poison Ivy's plant powers to create distractions and Harley Quinn's acrobatic skills and unpredictability to get past security. Another could be a story where they rescue each other from the clutches of a common enemy. For example, if the Joker tries to harm Harley, Poison Ivy uses her vines to snatch her away. And they could also have a story where they go on a journey to find a rare plant that has the power to make Harley immune to all toxins, which would be very useful in their dangerous Gotham lives.
Another could be a love triangle of sorts. In the fanfiction, Poison Ivy might be jealous of Harley Quinn's growing friendship with Batman. Harley is caught in the middle, torn between her loyalty to Ivy and her newfound respect for Batman. This creates a lot of tension and interesting character dynamics.
One possible storyline could be that Poison Ivy discovers a new type of lemon - infused plant that gives her enhanced powers. This new power could then lead her on a journey to protect it from villains who want to use it for their own evil purposes.
One possible plot could be Poison Ivy using her plant powers to create a special lemon - like plant that has an effect on Batman. Maybe it makes him see illusions of a different Gotham, and he has to fight his way through this strange new world while also dealing with Poison Ivy's motives for creating it.