What are the common themes in 'a demon hero fanfic'?

One common theme is the battle between good and evil. The hero represents good and the demon king represents evil, and they fight for the fate of the world.

A prevalent theme is redemption. Sometimes, the demon king may not be entirely evil, and there could be a chance for him to be redeemed, or the hero may have to struggle with his own dark side. Also, friendship and loyalty play a part. The hero often has comrades who support him, and the demon king may have his own followers. Their relationships within their respective groups are important aspects. In addition, the theme of sacrifice is often seen. The hero may have to sacrifice something precious to defeat the demon king or vice versa.

One common theme is power struggle. The negative hero and the demon lord often have to fight for power, either against each other or against other forces in the story. For example, in 'Overlord', Ainz has to constantly assert his power in the new world.

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.

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.

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.

A common theme is the exploration of the unknown. Harry the demon often finds himself in situations or places that are unfamiliar. This could be a new dimension, a hidden realm, or a situation that defies the normal rules. Another theme is identity. Is he just a demon, or can he be something more? Fanfics often play with this idea, showing Harry's journey to define himself beyond his demonic label.

One common theme is the struggle between good and evil. The hero represents the good side, and the demon king the evil, and their conflict drives the plot. For example, in many novels, the hero tries to defeat the demon king to save the world.

A frequent theme is redemption. Maybe a character has made mistakes in the past, but through their experiences in the hero agency, they get a chance to make amends. Also, the struggle against power - hungry villains is common. It shows the heroes' growth as they fight to protect the agency and the world from those who want to use power for evil.