A common theme is power struggle. Since Naruto is often associated with a demon in these fanfics, he has to deal with the newfound power and how it affects his relationships with others. Another theme is identity. Naruto has to figure out who he is now that he has this demon - related aspect to him.
Well, the theme of self - discovery is quite common. Naruto in these fanfics often discovers new things about himself because of the demon connection. It could be new powers, new emotions, or new ways of thinking. Another common theme is the exploration of the unknown. The demon element usually brings in a lot of mystery, like the origin of the demon, its true power, and what its ultimate goals are. And of course, friendship is also a theme. Naruto's friends play important roles in how he deals with the demon, whether they support him, fear him, or try to help him control the demon.
One of the common themes is the battle between good and evil. In 'naruto demon fanfic', Naruto may be influenced by the demon, and there's always a question of whether he'll use the demon's power for good or be corrupted by it. Also, redemption is a theme. Sometimes the demon itself may be seeking redemption through Naruto. For example, if the demon has a dark past, it might try to make amends through helping Naruto. There's also the theme of acceptance. Naruto has to accept the demon within him, and his friends have to accept this new Naruto as well.
One common theme is the struggle for acceptance. Since the character is half - demon, they often face discrimination from both humans and demons in the Naruto universe. Another theme is the exploration of new powers. As a half - demon, the character usually has a unique set of abilities that they need to discover and master.
One common theme is friendship. Naruto often tries to befriend the demon brothers, showing that even beings from different worlds can form strong bonds. Another theme is power struggle. The demon brothers usually have some sort of power that Naruto has to either contend with or work with.
One common theme could be the clash of different power systems. Naruto has its own chakra - based powers and Warhammer has a whole different set of abilities related to magic and combat. When demons are involved, there might be a theme of good vs evil where Naruto characters have to face off against the demonic forces of Warhammer.
A frequent theme is the relationship aspect. There could be stories about Naruto forming a special bond with a fox - demon character, whether it's a friendship or something more romantic. Also, the battle - against - evil theme is common. The fox demon could be either a force for good fighting against a greater evil in the Naruto world, or it could be a source of the evil that the characters have to overcome. This creates exciting storylines with lots of action and drama.
A lot of these fanfics also touch on the theme of acceptance. Naruto has to accept his new identity as a demon king, and his friends, especially Hinata, have to accept this change in him. It's about how they all adapt to this new situation. There's also the exploration of the power dynamics between Naruto and Hinata. Since Naruto is now a demon king, the balance of power in their relationship might shift in interesting ways.
Love and redemption are also prevalent. The fem demon may have a dark past or be seen as an outcast, but through her relationship with Naruto, she finds a path to redemption. And of course, the love that develops between them is a central theme that drives the story forward. For example, she might change her ways because of her love for Naruto.
One common theme is the forbidden love aspect. Since demons are often seen as dark and dangerous in most fictional universes, falling in love with one goes against the norms. Another theme is redemption. Sometimes the demon is redeemed through the love of the human character.
One common theme is the struggle between good and evil. Since Harry has some demon - like aspects, he often has to decide whether to use his new powers for good or give in to the darker temptations. For example, in many fanfics, he might be tempted to use his powers to get revenge on his enemies.
One common theme is the struggle between good and evil. Since the hero is a demon, there's often a conflict within them about whether to follow their demonic instincts or do good. Another theme is redemption. Many of these fanfics show the demon hero trying to make up for past wrongs.
A frequent theme is redemption. There are fanfics where demons or even some slayers who have made mistakes seek redemption. Also, the theme of family is quite common. Some stories might explore the family members of the slayers or how the slayers create a family - like bond within their group. And there's also the theme of sacrifice, as slayers often have to put themselves in danger or sacrifice things for the greater good.