One common element could be the use of ice or cold - related powers. In Naruto, there are characters like Haku who have ice - based abilities. In Fairy Tail, characters might also have some form of cold - related magic. So, in fanfictions, these powers could be explored more deeply or combined in unique ways.
Themes of loneliness or being an outsider could also be common. Naruto was often an outcast in his village in the beginning, and some Fairy Tail characters might have similar experiences. In a 'cold' fanfiction, this feeling of being alone could be amplified, perhaps with the cold environment symbolizing their emotional state. And as the story progresses, they could find friendship or acceptance through their interactions with characters from the other series.
One common theme is the clash of cultures. Naruto comes from a world of ninjas and chakra, while Fairy Tail is all about magic. So, there's often a theme of him trying to adapt to the new magical world while maintaining his ninja identity. His coldness could be part of his struggle to fit in.
The concept of destiny could also be a shared element. In Naruto, characters often have a pre - determined path related to their powers. In Fairy Tail, there are prophecies and destinies for some characters. In fanfiction, the EMS in the Fairy Tail setting could be part of a character's fated journey, like being the key to fulfilling a great prophecy in the Fairy Tail universe.
Character development is also a common element. The reader character often starts off with certain traits and then grows as they interact with the characters from Naruto and Fairy Tail. For example, they might learn about loyalty from Fairy Tail characters and perseverance from Naruto characters. And of course, there's always the adventure aspect. Whether it's a mission in the Naruto world or a quest in the Fairy Tail world, the reader is usually right in the middle of it all.
One common theme is the clash of cultures. Naruto's ninja world and Fairy Tail's wizard world have different values and ways of life, and this often creates interesting situations in the romances. For example, how a ninja's loyalty to their village might conflict with a wizard's loyalty to their guild when it comes to a relationship.
One common theme is the power - up. Naruto, already a powerful character in his own series, often gains new powers or enhances his existing ones in the Fairy Tail world, which attracts the female characters. Another theme is the sense of adventure. They embark on quests together, which brings them closer and forms the basis of the harem relationships.
One common theme could be power corruption. For example, Naruto's power might be corrupted in the Fairy Tail world, leading to him becoming 'evil'. Another theme might be the clash of different moral systems from the two universes. Since Naruto and Fairy Tail have different ways of dealing with good and evil, this can create interesting storylines in the fanfiction.
Another theme is the exploration of different worlds. Fanfictions often have characters traveling between the Naruto world and the Fairy Tail world. This allows for the comparison and contrast of the two different settings, cultures, and power systems. For instance, a Fairy Tail character might be amazed by the ninja villages in Naruto, while a Naruto character could be in awe of the large magic guilds in Fairy Tail.
One common theme is the power of friendship. Naruto, despite being mute, forms strong bonds with the Fairy Tail members. Another theme could be over coming obstacles. His muteness is an obstacle he has to work around in the magical world of Fairy Tail.
A common theme is the blend of different power systems. The magic from Fairy Tail and the chakra - based abilities in Naruto are often combined when foxes are involved. Another theme is the idea of a fox as a symbol of mystery or power. In both series, foxes have significance, and in fanfiction, this is often amplified. For example, a fox character might be seen as a key to unlocking some great power or secret.
One common theme is the power - up. For example, Naruto might gain new magical abilities from Fairy Tail or vice versa. This makes for some really cool fight scenes.