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.
There could be a fanfiction where Power Girl and Nightwing start as rivals, each thinking their way of handling things is better. But as they are forced to work together on a series of missions, they gradually learn to respect and rely on each other, and in the end, become close friends or more.
One interesting storyline could be Power Girl and Batman teaming up to take on a powerful new villain in Gotham. This villain could be someone with the ability to manipulate time, causing chaos in the city. Power Girl's super strength and flight, combined with Batman's detective skills and gadgets, would make for an exciting battle.
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.
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.
It's hard to say who the 'best' is as it depends on personal taste. However, some popular writers in the fanfiction community might be those who have a deep understanding of both characters' personalities and can write engaging action scenes. For example, some writers who have been around for a while and have a large following might be considered good at writing their stories.
Perhaps a story where Red Hood has to protect Power Girl when she loses her powers temporarily. This would turn their usual dynamic on its head. Red Hood would be the one in the more powerful position for a change, and Power Girl would have to learn to rely on her wits and non - super abilities, with Red Hood guiding her through the challenges.
A really cool storyline would be if there was a magical artifact in Gotham that was connected to the wizarding world, and Nightwing and Harry team up to retrieve it. Nightwing's acrobatic skills and knowledge of the city streets combined with Harry's magic would make for an exciting adventure. They could face off against both magical and non - magical foes along the way. Maybe the artifact is being sought by Voldemort and one of Gotham's super - villains, so they have to work together to stop it from falling into the wrong hands.
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.
Archive of Our Own (AO3) is another great place. It has a very user - friendly interface. You can search for 'nightwing and power girl fanfiction' either by the characters' names or by using relevant tags. There are different categories and ratings, so you can find the type of story you're interested in.
Another storyline might involve a misunderstanding at first. Wonder Woman and Power Girl could have different approaches to justice and initially clash. But as the story progresses, they learn from each other and end up becoming a great team. For example, Wonder Woman's more diplomatic style and Power Girl's more brash, direct approach could create some initial tension. However, when they see the value in each other's methods, they are able to work together more effectively against common foes.
The storylines involving his relationships, like with Barbara Gordon, are quite engaging. Their complex dynamic, from being friends to having romantic feelings at times, adds depth to the Nightwing comics. It shows a different side of Nightwing, not just as a crime - fighter but also as a person with emotions.