One idea could be Gray Wing and Turtle Tail going on an adventure to find a new territory for their group. They face various challenges along the way, like crossing a large river or dealing with a group of unfriendly animals. Another plot could involve Turtle Tail getting lost, and Gray Wing has to search for her, leading to a discovery of a hidden place filled with rare plants.
One idea could be that Gray Wing and Turtle Tail go on an adventure to find a new territory for their group. They face various challenges along the way, like crossing a big river or dealing with unfriendly animals. Another could be a story where Turtle Tail gets lost and Gray Wing has to search for her, and during this time, he realizes how much she means to him.
A great plot for their fanfiction could be set during a harsh winter. Gray Wing and Turtle Tail are struggling to find enough food for the clan. They decide to take a risk and venture into an area that's usually off - limits because it's so dangerous. Along the way, they meet an old, wise cat who gives them some cryptic advice. As they search for food, they also come across signs that there might be a traitor in the clan who is stealing food. They have to figure out who it is while also dealing with the challenges of the cold and lack of resources. This would test their loyalty to each other and to the clan, and make for an exciting story with lots of twists and turns.
Gray Wing is typically a central figure in fanfiction, often playing a key role in the development of the story. He could be in a love triangle with Turtle Tail and another character. Turtle Tail is a character full of charm. She might be the one who is always there to support Gray Wing, whether it's in battles or in making important decisions for the group.
One idea could be a story where Gray and Ultear team up to face a new, powerful dark magic user. They have to combine their ice and time - magic skills to defeat the enemy. Another plot could be a more character - driven one, like Ultear trying to help Gray overcome some past traumas related to his family and Deliora.
To develop Gray Wing, you can focus on his loyalty. Show how he's always ready to protect the clan, like when he stands guard during the night without complaint. For Turtle Tail, emphasize her curiosity. Maybe she's always the first to explore new parts of the forest. You can also give them each a unique voice in the dialogue, Gray Wing being more serious and Turtle Tail more light - hearted.
One idea could be exploring Gray's past more deeply. Maybe write about his training days with Ur and the challenges he faced. Another could be a what - if scenario where Gray joins a different guild for a time. For example, how he would adapt to their rules and make new friends or enemies there.
One interesting plot idea could be Gray facing a new type of Devil that has powers over ice in a different way than he does. For example, it could freeze emotions rather than just physical objects. Another could be Gray having to team up with an unlikely ally from his past to defeat a powerful Devil Slayer - turned - villain. Maybe a Devil has possessed a member of Fairy Tail and Gray has to find a way to exorcise it without harming his friend.
One idea could be a story where Juvia and Gray get trapped in a magical realm together. In this realm, their powers are altered in strange ways, and they have to rely on each other more than ever. They start to discover new aspects of their relationship as they face various challenges.
One idea could be a story where Juvia, Lyon, and Gray have to team up to face a powerful dark wizard that is threatening the Fairy Tail guild. They start off with some tension due to their past relationships, especially between Gray and Lyon who have a rivalry, but as they battle, they learn to work together better. Juvia could also be in a position where she has to choose between protecting Gray or following Lyon's more strategic plans, adding an interesting love - triangle - like dynamic to the plot.
One idea could be that the Exorcists from D Gray - Man end up in the Fairy Tail world due to a strange magical anomaly. They team up with the Fairy Tail wizards to fight against a common enemy that is causing chaos in both their worlds. For example, a powerful dark mage who has somehow acquired Innocence and is using it in a corrupted way.