A possible storyline is that there's a rift within the True Heart Guild in the Fairy Tail fanfiction. Some members believe in one way of using magic for the good of the guild and the world, while others have a more radical approach. This causes internal conflicts and might even lead to a split in the guild if not resolved. Also, a story could revolve around a True Heart Guild member who discovers a dark secret about their own magic that has ties to an ancient evil in the Fairy Tail lore.
One interesting storyline could be about a new member joining the True Heart Guild in the Fairy Tail universe. This new member might have a unique magic ability that no one has seen before, and they struggle to fit in while also trying to prove their worth to the guild. Another could be a story where the True Heart Guild goes on a quest to find a lost magical artifact that has the power to either save or destroy the Fairy Tail world. It could involve lots of battles and character development along the way.
In some fanfictions, Natsu could be framed by a dark guild as a traitor to Fairy Tail. The dark guild spreads false rumors and evidence, causing Fairy Tail to turn against him. Natsu then has to prove his innocence while also taking on the dark guild that started it all. This would lead to a lot of internal conflict within Fairy Tail and also intense battles between Natsu and the dark guild members.
In True Heart Guild Fairy Tail fanfiction, Erza Scarlet is extremely popular. She is a strong and fearless female character with her requip magic. Her leadership skills and the way she can handle any situation make her a great addition to any story. Happy, the blue flying cat, is also well - liked. His cute appearance and his ability to communicate with others, along with his loyalty to Natsu, often make him a fan favorite in these fanfictions.
The internal structure and hierarchy of the dark guilds are also fascinating. There could be a complex system of loyalty, betrayal, and power acquisition within the dark guilds. Some members might be trying to climb the ranks by any means necessary, creating a lot of drama and intrigue.
You could make an OC guild that is a rival to Fairy Tail at first but then has to team up with them to face a common enemy. The OC in this guild might have a grudge against Fairy Tail initially because of a misunderstanding. For instance, they think Fairy Tail stole a powerful magic artifact from their guild long ago. But as they work together, they realize that they were wrong and form strong bonds with the Fairy Tail members.
One interesting storyline could be a character from our world getting transported into the Fairy Tail kingdom and having to learn magic to survive. They could form unexpected alliances with the guild members and go on adventures together.
One interesting storyline could be an alternate version of the Fairy Tail guild's rise to power within the empire. Maybe they face different types of magic and political challenges that are unique to this fanfiction setting.
One interesting storyline could be a group of Fairy Tail characters competing in a university-wide magic tournament. It would be full of action and show off their different magical abilities.
In a 'Fairy Tail New Guild Fanfiction', you could have a plot where the new guild is formed from the remnants of the old Fairy Tail guild after a great war. The members are trying to rebuild and regain their former glory. However, they face many difficulties such as lack of resources and being shunned by other guilds. As they struggle, they come across a young wizard with extraordinary potential. They take this wizard under their wing and train them. This young wizard then becomes the key to helping the new guild overcome their problems and rise to new heights. The story could also include the relationships between the new and old members, how they adjust to each other, and the growth of the guild as a whole.
A possible storyline is about a character from Fairy Tail who transfers to the Highschool DxD school. They have to adapt to the new environment which is full of devils, angels, and fallen angels. Along the way, they make new friends and enemies, and their Fairy Tail magic causes quite a stir among the students.
One interesting storyline could be Naruko and Laxus teaming up for a dangerous mission. They might start off not getting along due to their different personalities. Laxus is often seen as brash and powerful, while Naruko could bring her own unique skills and a more upbeat attitude. As they face challenges during the mission, they gradually learn to respect each other and combine their powers in unexpected ways, leading to a strong friendship or even more.