Another way is through shared trauma. If they face a really tough villain who almost kills one of them, they can come out of it with a deeper understanding and a stronger father - son relationship. They can have heart - to - heart talks about their fears and insecurities during the recovery process.
Fanfiction could also develop their relationship by introducing a new character who challenges their bond. Maybe a new vigilante who wants Robin to be his sidekick instead. Batman and Robin would then have to reevaluate their relationship and fight to keep it intact.
Their relationship can be developed by having them face challenges together. For example, when they fight a powerful new villain. They have to rely on each other's skills. Another way is through heart - to - heart conversations. Batman can open up to Robin about his past and his fears, making their bond stronger.
One way is through emotional moments. Fanfiction can show Batman's strict yet loving side as a father figure to Robin. For example, it can depict scenes where Batman teaches Robin important life lessons, not just about fighting crime but also about morality and self - control. These moments can strengthen their bond and show the depth of their relationship.
It can start with a common goal. For example, they both want to stop a certain group of criminals. Working towards this goal makes them interact more, leading to the development of their relationship.
The relationship can be shown as a father - son like bond. Batman being the protective and strict mentor, while Robin is the eager and sometimes mischievous pupil. For example, Batman scolds Robin when he takes unnecessary risks but also hugs him when they succeed in a mission.
The relationship can be developed by having Minato appear in Naruto's memories more vividly. For example, Naruto could start having flashbacks of Minato's training sessions or family moments that he didn't know about before. This would make Naruto feel closer to his father.
Their relationship could be developed by having Robin be more assertive. For example, he could take the lead in a mission and Batman would have to follow his lead for once, showing that Robin is growing into his own hero.
A way to develop their relationship in this type of fanfiction is through joint parenting. They might have different approaches to raising their kids. Batman could be very strict about discipline and training, while Catwoman might be more lenient and focus on teaching the kids about the importance of freedom. Through these differences, they learn to understand each other better and grow closer as a couple. Also, they could face external threats to their family which forces them to rely on each other more, strengthening their bond.
Their relationship could develop through mutual respect. Batman respects Supergirl's power, and Supergirl respects Batman's intelligence and strategic skills. They start by working on small missions together and gradually build trust.
To develop their relationship in fanfiction, Harley Quinn could start by making small acts of kindness towards Batman. Maybe she leaves him anonymous tips about Joker's plans. Batman, being observant, would start to wonder about her motives. Then, they could have chance encounters where they have to work together briefly. As time goes on, Harley could gradually distance herself from the Joker's influence. Batman could offer her a chance at redemption. Their relationship could also be developed through mutual respect for each other's skills. Harley Quinn is a skilled fighter and Batman could come to recognize that. In turn, Harley could admire Batman's detective skills and his unwavering sense of justice.
The relationship can develop through shared experiences. For instance, they could go through the process of preparing for the baby together, like shopping for baby stuff. Batman, despite his dark and brooding nature, might show a softer side as he anticipates the arrival of the child.