Sure, Nyssa al Ghul makes appearances in the comics. Her role varies depending on the specific comic arcs and storylines. Sometimes she's a key player, and other times she has a more supporting role.
One idea could be a crossover where Naruto is on a mission in Gotham and he crosses paths with Nyssa al Ghul. They initially have a misunderstanding but then realize they can help each other against a common enemy, like a group of rogue ninjas and assassins working together.
Obviously, Nyssa is a main character. She is likely to be the central focus of the story, driving the plot forward with her actions and decisions. Another main character could be her first Pokemon, which she has a special bond with. This Pokemon might be her constant companion throughout her adventures.
Romance is also a prevalent theme. Many fanfictions explore the possibility of a romantic relationship between Ash and Nyssa. This could involve them slowly realizing their feelings for each other over the course of the story. For instance, they start off as friends but then small moments of attraction start to surface. It could be a very sweet and slow - burn type of romance.
One common theme is redemption. Nyssa has a complex past, and often in fanfiction, she is on a path of redemption, with Oliver being a part of that journey. For example, in many stories, Oliver helps her come to terms with her actions in the League of Assassins.
Nyssa Skywalker is often a unique character created within the realm of 'Star Wars' fanfiction. She's likely a member of the Skywalker family, but with her own distinct story, abilities, and personality traits.
One interesting Pokemon Nyssa fanfiction could be about Nyssa's journey to become a Pokemon master. She might start in her hometown, receive her first Pokemon, and then face various challenges and make new friends along the way. For example, she could encounter a powerful wild Pokemon that she has to outwit using her wits and the skills of her Pokemon.
One common theme is loyalty. Their loyalty to each other, whether it's in the face of danger or in dealing with personal issues. Another theme is friendship evolving into love, as they start off as comrades and slowly develop deeper feelings.
One common theme is the merging of their different backgrounds. Oliver has his own set of values from his upbringing in Star City, while Nyssa comes from the League of Assassins. Their marriage often involves them finding a common ground between these two very different worlds.