Another theme is adventure. The OC and Lin team up to face some big threat in Republic City or beyond. Maybe they have to deal with a new group of villains or a natural disaster. Through these adventures, their relationship grows and they learn more about each other and themselves.
Romance is also quite prevalent. Writers like to imagine a love story between Lin and an OC. It could be a slow - burn romance where they start off as adversaries or just acquaintances and gradually fall in love as they get to know each other better. This can add a new and exciting dimension to Lin's character.
A common theme is friendship. The OC often becomes a close friend to Lin, helping her through tough times or just being there to have a good chat. For example, an OC might be someone who Lin meets during her police work and they form a bond over their shared sense of justice.
One common theme could be loss. Maybe she's crying over the loss of a loved one or a failed relationship.
In addition, there could be new villains emerging, like a powerful earthbender who has gone rogue and wants to prove himself by defeating Lin Beifong's daughter. This villain could have a different ideology about earthbending and see the daughter as a symbol of the old way that he wants to change.
The plot could revolve around her relationship with Lin Beifong. There could be times when they don't see eye - to - eye, for example, if the daughter wants to take a different path in life than what Lin has planned for her. It could also show how Lin tries to protect her daughter from the dangers of their world while also allowing her to grow and become independent.
A frequent theme in toph beifong crossover fanfiction is friendship. When she meets new characters, the development of new friendships (or rivalries) is a big part of the story. Also, self - discovery is common. Toph often has to re - evaluate who she is and what she can do in these new and unfamiliar settings. It's like she's starting a new chapter in her life and learning more about herself in the process.
There's no way Naruto can be the father of Lin Beifong in any legitimate sense. The two characters belong to entirely separate fictional settings. Naruto has his own story in the Hidden Leaf Village with his family ties related to Konoha. Lin Beifong, on the other hand, is an important part of the Avatar world's Republic City. Their abilities, cultures, and storylines are so distinct that it would be a very odd and non - canon pairing in fanfiction.
One possible theme could be her struggle with authority. If she's angry, it might be because she's facing issues with those in power over her in the story's universe.
Another theme is the OCs teaming up with the main characters to save the world. They bring in their own knowledge and skills. For example, an OC who is an expert in ancient languages might help translate a crucial text that the regular librarians couldn't. This teamwork aspect is quite popular as it shows how the OCs can fit into the existing 'The Librarians' universe.
Another theme is adventure. The OC and Hitsugaya could go on missions together, fighting against hollows or dealing with internal threats in Soul Society. During these adventures, their bond grows stronger. They might discover new powers or secrets together, which not only affects their relationship but also the future of Soul Society in the fanfiction world.
Some fanfictions might have a theme of the OC being a time - traveler and meeting Kushina in the past. This allows for a lot of creative storytelling as the OC has knowledge of the future and can try to change things for the better. Or perhaps the OC has a special connection to the Nine - Tails that Kushina doesn't initially understand, and they have to work together to figure out what it means.
Love and friendship are also common themes. The relationship between Percy and the OC can range from a deep friendship to a romantic love. Sometimes, the OC helps Percy get over past relationship traumas or they fall in love in the midst of battling monsters together. It's all about the connection between them.