Cassandra Cain's age can vary depending on the specific comic storyline and continuity. But typically, she's depicted as a teenager or in her early twenties.
One great Cassandra Cain and Jason Todd fanfic is 'City Lights'. It shows their unique relationship as they team up to take on the criminal underworld in Gotham. The story really delves into their individual personalities, with Cassandra's silent but deadly combat skills and Jason's more brash and vengeful nature creating an interesting dynamic.
Some fanfics might put them in an alternate universe scenario. Maybe in a world where they are part of a superhero team together. Cassandra could be the stealth and combat expert while Basil could bring something unique to the table, like a knowledge of some arcane or forgotten arts. The fanfic could explore how they grow as characters within this new team dynamic.
Cassandra Cain graphic novels are unique because of her character. She has a very distinct background as a highly trained assassin. This gives her a different perspective compared to other superheroes. Her fighting style, which is based on reading body language rather than just brute force, is also something that sets her stories apart. In the graphic novels, this is often shown in dynamic and visually interesting fight scenes.
There's a fanfic called 'Partners in the Dark'. It focuses on the trust that develops between Tim and Cassandra. It starts with a simple mission that goes awry, and through their struggles, they learn more about each other and grow closer. It's a heart - warming read that any fan of the two characters would enjoy.
One common theme is redemption. Both characters have had troubled pasts, and fanfics often explore their journey towards redemption. For example, Jason Todd's time as the Red Hood and his attempts to find a new path. Cassandra Cain also has her own past demons, and stories may show them helping each other move forward.
One popular Batgirl Cassandra Cain graphic novel is 'Batgirl: Year One'. It delves into her origin story, showing how she became Batgirl. It's a great read for understanding her character's early days.
You can start by looking on fanfiction platforms like Archive of Our Own (AO3). There are often tags for characters, so you can search specifically for 'female Damian Wayne' and 'Cassandra Cain' tags. Another option is FanFiction.net, which also has a large collection of DC - related fanfics.
Fanfiction.net also has some interesting works. Just search for their names in the search bar and browse through the results. However, AO3 generally has a more organized tagging system for specific relationships like theirs.