A common theme is the struggle with her identity. Since she is the daughter of Erebus, she often has to come to terms with her dark origins. Another theme is power. Her powers, which are likely to be related to the shadows or the underworld, are a big part of many fanfics.
There are various 'oc daughter of erebus fanfic' out there. Some explore the relationships she has with other characters from Greek mythology. For example, in a certain fanfic, she forms an unlikely alliance with a minor god. These fanfics often play with the idea of her powers, which are usually related to the darkness and mystery associated with Erebus.
One possible theme could be the struggle between light and darkness. Given Naruto's connection to Erebus (darkness), he would likely have to grapple with his dark heritage while still trying to uphold the values of the Hidden Leaf, which are more associated with light. Another theme could be identity. Naruto would constantly be trying to figure out who he is in relation to his father Erebus and his own ninja identity.
In fanfic, she could also be a bit of a rebel. Tired of living in her father's shadow, she might try to carve out her own identity in the NCIS world. This could lead to some interesting conflicts, both with her father and with the other characters in the story.
One possible storyline could be her following in her father's footsteps in the world of NCIS. She might start as an intern or a new recruit, facing challenges and making friends along the way. Another could be a story where she gets involved in a mystery that is somehow related to her father's past cases, using her own skills and knowledge to solve it.
It could be an original character created just for the fanfiction. Maybe a mysterious ninja woman who crossed paths with Kakashi during a mission and they had a brief but intense relationship.
Erebus was one of the primordial deities in Greek mythology. He was the personification of darkness. He was born from Chaos. Erebus was often associated with the underworld. He was the father of many dark and shadowy figures like Aether (upper air) and Hemera (day). His domain was the deep, unlit regions. In many stories, he played a key role in the creation of the cosmos, representing the formless and mysterious aspects of the early universe.
A 'naruto son of erebus fanfiction' might explore a whole new backstory for Naruto. It could be that in this fanfic, Erebus is a powerful entity and Naruto being his son gives him a different standing in the Naruto universe. For example, it could change how the other characters view him and how he approaches his ninja training. He might have some dark powers from Erebus that he has to learn to control, or it could lead to a whole new set of adventures and enemies that are related to this new heritage.
Well, to determine if it's a zombie OC fanfic, you'd have to look at elements like the characters being new creations and the story centered around a zombie theme. If both are present, chances are it is.
To create a unique OC (Original Character) for a Pokemon fanfic, first think about their personality. Are they brave, shy, or cunning? Then consider their backstory. Maybe they grew up in a small town surrounded by a particular type of Pokemon. Also, decide on their appearance, like the color of their hair or the style of their clothes. For example, your OC could have bright purple hair and always wear a Pokemon - themed hoodie. And don't forget their goals in the Pokemon world. It could be to become a master trainer or a famous Pokemon researcher.