Power is a common theme. Many fanfictions explore how characters gain new powers related to Naruto mythology. Another theme is heritage, like exploring the lineage of characters in relation to the ancient mythology.
Another idea is a crossover where the concept of chakra in Naruto is related to the power of the Greek gods. The Shinigami could be like the ferrymen of the Greek underworld, but also have a connection to the ninja world. Maybe Naruto is sent on a mission to this strange new world by the Hokage, and he has to team up with a Greek hero to defeat a common enemy that threatens both worlds.
Another aspect could be the plot. A fanfiction could revolve around Naruto being sent to the Norse realm due to some kind of dimensional rift. There, he might encounter Loki and Thor. He could form an alliance with Thor to fight against a common enemy, using his ninja tactics along with Thor's hammer and lightning powers.
Imagine Naruto being mistaken for a demigod in the Norse world. His powers are so different from what they are used to that the Norse gods think he's some new kind of powerful being. He then has to prove himself and his intentions, all while trying to find a way back to his own world.
Sure. 'The Legendary Jinchuriki' is a great Naruto mythology fanfiction. It delves deep into the backstories of the Jinchuriki and their connection to the Naruto mythology. Another one is 'The Sage's Legacy' which explores the origin of the Sage of Six Paths in a very imaginative way.
One popular theme is the 'Chosen One' concept from various mythologies applied to Naruto characters. For example, Naruto could be seen as a hero like Hercules, having to complete impossible tasks. Another theme is the idea of different afterlife concepts from mythologies. How would the Naruto characters fare in the Norse Valhalla or the Egyptian Duat? It adds a whole new dimension to their stories.
Well, a cool crossover might involve the concept of the Nine - Tailed Fox being related to a Greek monster. Maybe it has some connection to the Chimera. In a fanfiction, Naruto could have to deal with Greek heroes who see the Nine - Tailed Fox as a threat. Also, the idea of Naruto learning Greek magic in addition to his ninja jutsu would be really fascinating.
One way is by introducing mythological creatures into the Naruto world. For example, Greek mythological creatures like the centaur could be added. They could have their own chakra systems or unique abilities that interact with the existing ninja techniques. Another way is to incorporate mythological storylines. Take Norse mythology's Ragnarok, and create a scenario where Naruto characters are involved in a similar end - of - the - world event. This can bring a whole new level of drama and excitement to the fanfiction.
Naruto could interact with Greek mythology elements and Shinigami in fanfiction by having a special ability or item that allows him to travel between the Naruto world and the world of Greek mythology and Shinigami. For example, a magical scroll that opens a portal.
Well, Naruto's ability to create shadow clones could be related to the Greek god Hermes. Hermes is known for his speed and ability to be in multiple places at once. In a fanfiction, Naruto might use his shadow clones in a more strategic way inspired by Hermes' multitasking abilities. He could send clones to different parts of a mythical Greek - inspired world to gather information or perform tasks, just like Hermes would do in Greek mythology.