One common theme is the connection between the living and the dead. Dia de las Muertos is about commemorating the dead, and in fantasy novels, this often takes the form of characters being able to communicate or interact with their deceased loved ones.
Perhaps it could center around a family that has been cursed. On Dia de las Muertas, the veil between the worlds is thinnest, and they have a chance to break the curse. They encounter various helpful and hindering spirits during their quest. The novel could explore themes of family, heritage, and the power of love and remembrance as they strive to end the curse.
One great 'dia de las muertos fantasy novel' is 'The Day of the Dead' by various authors. It weaves together the rich cultural elements of Dia de los Muertos with a touch of magic and mystery.
A young artist. He could be using his art to connect with the spirits on Dia de las Muertas. His paintings might come to life, and he becomes involved in a magical adventure in the spirit realm to save his village from a dark force that is awakened during the celebration.
After Dios death in a fanfic, his followers could split into different factions. Some might realize the wrongdoings of their former leader and try to make amends, while others could become more radical in their beliefs, vowing to carry on Dios' legacy in a more extreme way. The fanfic could also explore the emotional turmoil of those who were close to Dios, like his family or closest aides.
One interesting aspect could be the unique interpretations of Naruto characters in a 'dios' (presumably divine or god - like) context. It might show Naruto with enhanced powers or a different role in the story, like a protector of a more divine nature.
You might have to complete specific quests or challenges within the game to obtain Dios Diary. It could involve interacting with certain characters or exploring hidden areas.
After Dios death in a fanfic, the economy could change drastically. If he controlled resources or trade, new trade routes could open up and resources could be more fairly distributed. Socially, there could be a cultural renaissance as people are no longer suppressed. Art, music, and literature could flourish as creativity is no longer stifled. Also, politically, new leaders might emerge who are more inclusive and less tyrannical.
Some Naruto - focused fan communities on social media platforms could also be a good place to look. For example, Naruto - related groups on Reddit or Facebook might have members sharing or discussing 'naruto dios fanfic'. You can ask around in those groups if anyone knows of any good ones.