Character chemistry. Since it involves Daryl and an original character (oc), their relationship should be believable and engaging. It could be a friendship, a romance, or a mentorship.
There's also 'The Survivor and Daryl'. In this fanfic, the original character has a unique backstory that ties in well with Daryl's own journey. It shows their relationship evolving over time, with lots of emotional moments as they face the challenges of the zombie - filled world together.
One great 'twd daryl and carol fanfiction' is 'The Journey Together'. It really delves into their relationship and the challenges they face in the post - apocalyptic world. The way it describes their unspoken bond is really captivating.
There could be a fanfiction where Daryl and Carol have to deal with a strange illness that only affects them. This would force them to rely on each other even more and also explore their physical and mental limits. Or a story where they are the only ones who can communicate with a new, intelligent type of mutant that has emerged in the apocalypse.
Injury and recovery is also a big theme. Since it's 'Daryl hurt' in the prison. He could be dealing with physical wounds from battles outside or inside the prison. This allows for some great moments of vulnerability and growth as he heals. There's also often the theme of found family. He might meet other characters in prison and form a new family unit with them.
In many TWD OC (Original Character) fanfics, Negan's overconfidence could be seen as a weakness. His cocky attitude might make him underestimate his opponents, especially new and unpredictable OCs. This could lead to him making tactical mistakes in battles or negotiations.
Family and relationships also play a big role. It could be about the relationship between Michonne and her daughter, or how the daughter forms new bonds in the harsh world. For example, her friendship with other survivors or romantic relationships as she grows up. The fanfics often explore how these relationships develop and change over time. It might also deal with themes of loss and grief, as characters are likely to lose people they care about in this dangerous world.