With Gaius, Merlin's getting hurt makes their relationship more paternal. Gaius would be worried sick and do everything he can to heal Merlin. And Merlin would rely more on Gaius during his recovery, which further cements their father - son like bond.
When Batman gets hurt in fanfiction, it can have a significant impact on his relationship with Alfred. Alfred, being his loyal butler and caregiver, would be extremely worried. He would do everything in his power to nurse Batman back to health, and this could lead to some touching moments between them. Their relationship might become even closer as Alfred scolds Batman for being too reckless while also showing his deep concern.
When Naruto gets hurt in fanfiction, it can create a sense of urgency. His friends will then have to step up to protect him or find a way to heal him. This can lead to new character developments. For example, Sakura might have to use her medical skills in a more challenging situation. It can also change the course of a battle. If Naruto is the main fighter in a group and he gets injured, the team might have to retreat or come up with a different strategy.
It could change the whole dynamic. For instance, if Sarah is a key character in training the horses, her injury might slow down the progress of the horses' training. So the other characters would have to step up.
It might make his relationship with Arthur more complex. Arthur, who has been raised to be cautious of magic, might have mixed feelings. On one hand, he trusts Merlin, but on the other, Merlin's exposed magic could make Arthur question things. With Gwen, she might be more accepting, but still worried about the potential danger it brings to Merlin. And with the other knights, some might be more superstitious and keep their distance, while others might be curious and want to learn more about his magic.
Well, it can create a sense of drama. When Ash gets hurt, his friends will be worried and they'll have to figure out how to help him. This can lead to new character developments, like Misty showing her softer side as she takes care of Ash. It can also slow down the adventure for a while as Ash recovers, changing the pace of the story.
It can create drama. His injury might make the other characters worry and change their normal routines to take care of him.
When Bella gets hurt, Edward is often consumed with guilt and rage. He blames himself for not being able to protect her fully. His actions might become more reckless as he tries to seek revenge on whoever hurt her. The Cullens, as a family, would also be in turmoil. They would be worried about Bella's well - being and might go to great lengths to keep her safe, even if it means breaking some of their own rules.
With Sasuke, it could either drive a wedge or bring them closer. If Sasuke blames himself for Naruto getting injured while protecting him, he might distance himself out of guilt. On the other hand, it could also make Sasuke realize how much Naruto means to him and he could become more committed to their friendship.
His apathy can strain his relationships. His friends might feel neglected. For instance, Sakura could be confused and hurt as Naruto no longer shows the same eagerness to be part of the team.
It could make some relationships stronger. His friends might be in awe of his new powers and look up to him even more. But it could also create some distance, as his new status might make others feel inferior.