The goddess character herself is also very popular. Depending on how the author writes her, she could be a powerful and wise being, like Tsunade but with divine powers. Fans are often interested in her backstory, her powers, and how she views Naruto.
Common themes in 'naruto x inari goddess fanfiction' include the discovery of hidden knowledge. Naruto could learn ancient secrets from the Inari goddess that are related to chakra or the history of the ninja world. There's also the theme of transformation, where Naruto's character might change due to his interactions with the goddess, becoming more in tune with the spiritual side of things and less impulsive in his actions.
One interesting plot could be that Naruto is suddenly transported to a realm where he meets a goddess. The goddess then decides to train Naruto in a new form of chakra control that is far more powerful than anything he has known before. This new power helps him in his battles back in the ninja world.
In a Naruto x fem wolf goddess x fem kyuubi fanfiction, the fem wolf goddess could represent a more spiritual or wild aspect. She might introduce Naruto to a different side of the ninja world, one that is more in tune with the natural order. The fem kyuubi, on the other hand, could have a more fiery and powerful personality. The story could revolve around Naruto trying to balance the influence of both characters while also dealing with his own growth as a ninja.
It could be a dark wizard who wants to capture the Yami Goddess for her power. He sees Naruto as an obstacle in his way, so he tries to get rid of him. This wizard could have his own army of dark creatures.
It could be a completely original goddess created by the fanfiction writer. This goddess might have unique powers like the ability to control the elements in a way different from the ninja in Naruto's world. She could be the goddess of light, for example, with the power to banish darkness and heal the sick.
It could be a completely original goddess created just for this fanfiction. Maybe she is the goddess of a forgotten element, like the goddess of lightening that has been long forgotten in the ninja world, but still holds great power.
Well, perhaps the Yami Goddess has the ability to see into Naruto's future. She warns him about a great danger that is coming, but in order to avoid it, Naruto has to learn a special technique from her. This could lead to a series of adventures where Naruto trains under her guidance while also getting to know her better and a unique relationship developing between them.
There are several out there. Some focus on how Naruto meets the Inari goddess in a different dimension or during a special mission. For example, in 'The Inari Goddess' Blessing on Naruto', the goddess might bestow a special gift upon Naruto that changes the course of his battles. It could be a weapon or a power that no one has ever seen before.
In Naruto fanfiction, the Rabbit Goddess is often a fictional character created by fans. She might be a deity - like figure with powers related to rabbits, such as speed, agility, or the ability to communicate with animals. She could also have some form of magic or chakra - based abilities.