Freed's character could be developed by giving him a love interest outside of the guild. This new relationship would bring out different aspects of his personality, such as his protectiveness and his ability to be vulnerable. Rufus could be developed by having him mentor a young mage in the guild. Through teaching, he would learn more about himself and his own magic, and also become more patient and understanding as he helps the young mage grow.
For Freed, his character could be developed by exploring his past more deeply. Maybe there are some secrets about his family or his early days in magic that could be revealed. This would add more layers to his personality. For Rufus, we could see him struggle with the pressure of always having to remember everything perfectly. This internal struggle could change his character over time.
One idea could be that Freed and Rufus team up for a secret mission in the Fairy Tail guild. Maybe they have to find a lost magical artifact that has the power to change the balance of magic in the world. They could face various challenges along the way, like dealing with rival guilds who also want the artifact.
For Hibiki, his character could be developed by exploring his relationship with his guild more deeply in the context of his interactions with Lucy. Maybe he has some insecurities about not being as strong as some of the other guild members, and Lucy helps him see his own value through their adventures.
For Rogue, his relationship with his shadow could be explored more deeply. Maybe in fanfiction, he discovers new powers related to his shadow because of Minerva. For example, Minerva's magic could interact with his shadow in an unexpected way, forcing him to learn to control this new aspect of his power.
For Lucy, her character could be developed by showing her learning new and advanced celestial magic spells from Yukino. This would not only expand her magical abilities but also show her determination to grow stronger. For Yukino, she could be developed by showing her becoming more confident in making decisions outside of her guild's rules, influenced by Lucy's more independent nature.
Minerva could be developed by showing her more vulnerable side. In the original series, she is often seen as strong and intimidating. But in fanfiction, she could open up to Natsu about her fears and insecurities. For example, her fear of not being good enough despite her power. This would make her more relatable and humanize her character.
For Juvia, she could be developed by exploring her insecurities more deeply. Maybe she has a fear of losing Gray not just to another woman, but also to his own self - destructive tendencies. She could learn to be more independent while still maintaining her love for Gray. As for Lyon, he could be developed by showing his growth beyond his rivalry with Gray. He could start to focus more on his own identity and magic, and how he can contribute to the Fairy Tail guild in a unique way. Gray can be developed by confronting his past traumas more directly. He might have nightmares about his master's death, and through the support of Juvia and Lyon, he learns to heal and become a stronger wizard.
For Gray and Juvia's relationship, they could have more heart - to - heart conversations. Maybe they share their fears about the future and how to raise their family. As for their relationship with their children, they can have family outings where they teach important values like loyalty and courage, which are big in the Fairy Tail world.
The relationship can be developed through shared experiences. For example, if they are both involved in rescuing a kidnapped guild member. They'll face danger together, and Freed might use his magic to protect Lucy from harm, which will make Lucy see him in a new light. This will create a sense of trust between them.
For Lucy, you could explore her celestial spirit powers more deeply. Maybe she discovers a new and rare spirit that has a special connection to Rogue or Sting's magic. For Rogue, his relationship with his shadow could be further developed. He might learn to use his shadow in new ways, and Lucy and Sting could play a role in that discovery. For Sting, his leadership skills could be tested and improved. They could be put in a situation where Sting has to lead a group that includes Lucy and Rogue, and he has to make tough decisions.
Putting Wendy in a leadership role within the guild for a fanfiction story would be interesting. She could learn to be more assertive and make tough decisions, which would help her grow as a character. It would also show how she can inspire others in the guild.