One common theme is the strength of their relationship. Batman's over - protective nature towards Robin when he's hurt shows how much he cares. It's like a father - son or mentor - protege bond that is intensified by Robin's vulnerability.
Another great one is 'Protective Instincts Unleashed'. Here, when Robin is hurt, Batman goes on a full - on hunt for the ones responsible. The story is filled with action as Batman uses his detective skills and combat abilities to avenge Robin's injury while also showing his gentle and caring side towards Robin as he recovers.
One good 'Batman and Robin Hurt' fanfiction could be 'The Dark Night's Trial' where they face a new and powerful villain who manages to physically harm them. It focuses on their struggle to overcome the injuries and protect Gotham at the same time.
You can start by looking on popular fanfiction websites like Archive of Our Own (AO3). It has a large collection of fanfictions and you can search specifically for 'Batman and Robin Hurt' using the search bar.
A possible fanfiction plot could start with Dean being seriously hurt in a car accident on their way back from a hunt. Sam is distraught but quickly springs into action. He calls their hunter friends for help and takes Dean to the nearest safe house. There, he nurses Dean back to health. Sam is extra vigilant, setting up protective wards around the house and being overly cautious about any strangers approaching. He also spends time talking to Dean, helping him deal with the trauma of the accident both physically and mentally.
In many Batman and Robin fanfictions where Robin is injured, it often leads to Batman becoming more determined to catch the villain. For example, in some stories, Robin gets injured during a fight with a new, powerful enemy in Gotham. Batman then uses his detective skills to track down the bad guy while also taking care of Robin. He might call in Alfred for help with Robin's injuries. This kind of situation shows the deep bond between Batman and Robin and how they rely on each other in tough times.
One example could be 'Batman and Terry: The Protective Bond' where Batman constantly saves Terry from dangerous situations and also mentors him to become a better hero. Another might be 'Protecting Terry: Batman's New Mission' which focuses on Batman's sole mission of keeping Terry safe in a Gotham filled with new threats.
Batman hurt fanfiction often delves into the emotional side of his allies. When he's injured, his friends like Alfred and Robin are deeply affected. Their reactions can range from worry to determination to get him back on his feet, which makes for interesting storytelling.
One interesting storyline could be Robin growing up and struggling to step out of Batman's shadow. He wants to prove himself as an independent hero while still respecting Batman's teachings.