One common theme could be his struggle with his OCD while being in a hurt or difficult situation. His need for symmetry might be challenged even more when he's injured or facing some kind of emotional turmoil.
A theme could also revolve around his insecurities being magnified when he's hurt. He's a powerful character but also has his own set of vulnerabilities. In fanfictions, his being hurt could be a catalyst for exploring those insecurities more deeply, like his fear of not being able to fulfill his duties as a Shinigami or his fear of being a disappointment.
Well, it might be a bit difficult to directly recommend some. However, if you join some Soul Eater - related fan communities on platforms like Reddit or Discord, you can ask the members there. They are usually very passionate about sharing good fanfictions and might be able to point you to some 'Death the Kid Hurt' ones.
One common plotline could be that he gets injured during a battle with a powerful enemy. Maybe he underestimates an opponent's strength and gets seriously wounded, which then leads to his friends having to protect him and find a way to heal him.
One popular Kid Altair Hurt Fanfiction could be 'The Trials of Kid Altair'. It focuses on the hardships he faces in a fictional world filled with challenges. Another might be 'Altair's Ordeal' which delves deep into his emotional and physical pain during certain events in the fan - created storyline. There's also 'Kid Altair's Struggles' that shows his journey through difficult situations and how he overcomes them.
One common theme could be Diaval's sacrifice for Maleficent. Writers might explore how he gets hurt while protecting her. Another theme could be misunderstandings between them that lead to Diaval getting hurt, either physically or emotionally.
Another theme could be his isolation. Billy is often portrayed as a bit of an outcast. Fanfictions might focus on how this isolation hurts him and makes him more vulnerable, or how he tries to break free from it. It could also involve his attempts to connect with other characters in the face of this isolation.
One common theme could be the journey of the Altair kid in dealing with the emotional scars from being hurt. It might involve themes of resilience, like how the character overcomes the trauma. Another could be the discovery of new powers or self - identity during the healing process.
A common theme is the exploration of Castiel's humanity. When he's being protective of the hurt Dean, he starts to understand human emotions like love, fear, and worry on a deeper level. This can lead to his own character development as he becomes more in tune with his human side while still maintaining his angelic essence.
Another theme is family betrayal. Lucius values his family name and status. When his family turns against him or is put in danger because of his actions, it hurts him deeply. In a certain fanfic, his son Draco's disobedience and siding with the good guys is a huge blow to Lucius.
One common theme is the physical hurt of the characters during battles. For example, Ladybug might get seriously injured while fighting an akumatized villain. Another theme could be emotional hurt, like when Chat Noir feels left out or betrayed by Ladybug in some fan-created scenarios. Sometimes, the hurt can also be related to the characters' civilian identities, like Marinette getting bullied at school and how it affects her as Ladybug.
Some common themes might include Black Widow facing physical and emotional challenges. For example, she could be recovering from a difficult mission where she got seriously injured. Another theme could be her dealing with past traumas while being in a vulnerable state in the fanfic story.