Well, you might find fanfics where they team up to solve mysteries within the wizarding world or face off against powerful dark wizards. Another common theme is their relationship evolving and growing stronger over time.
Some interesting ones have them discovering long-lost family secrets or going on quests to find powerful magical artifacts. There's also a lot that explore how their bond influences the dynamics of the entire magical community.
It could be a story exploring their sibling relationship and adventures in the magical world. Maybe it focuses on Harry protecting and guiding his sister through various challenges.
The main plotlines could include their joint quest to protect the Goblet of Fire from evil forces. Maybe it shows how their relationship evolves as they deal with the pressure and expectations of the tournament. Or, it could feature unexpected allies and foes emerging because of their newfound sibling connection.
One interesting 'Harry Potter' fanfiction could be where Harry is prone in a dangerous situation, like in a hidden chamber filled with dark magic traps. In this fanfic, his friends might have to figure out how to rescue him without setting off the traps.
It could involve adventures and challenges they face together in the magical world.
Well, you can find fanfictions where Harry, as the older brother, protects and guides his younger sibling. Or ones where their relationship is complicated and full of ups and downs.
One interesting 'Harry Potter Ravens Brother' fanfiction could be 'The Raven's Hidden Power'. In this story, the brother might have a unique magical ability that has been hidden until now. It could involve him being able to communicate with magical creatures in a way no one else can, which leads to all sorts of adventures with Harry Potter and his friends.
The story could focus on how the brother copes with the expectations and comparisons that come with being related to the 'Girl Who Lived'. It might also feature their joint efforts to face off against dark forces or discover long-lost magical secrets.
In a different fanfiction, Harry being wheelchair - bound could lead to a deeper exploration of his relationship with magic. He might start to question if there are spells that could heal him or if his situation is a part of some greater magical plan. This could lead to a journey of self - discovery where he learns that his strength doesn't come from his physical ability but from his heart and his connection to his friends and the wizarding world.
One interesting fanfiction could be where Harry discovers his dragon Animagus form during a dangerous encounter in the Forbidden Forest. His dragon form gives him the strength and power to fend off dark creatures. This form might also lead to new friendships with magical creatures who respect the might of a dragon.
There are all sorts of fanfictions. Some might focus on alternate storylines where she has different adventures or relationships. Others could explore her backstory in more depth.