The themes in 'Harry Potter is immortal' fanfictions usually include a search for purpose. Harry has an endless life, so he needs to find something meaningful to do. There is also the theme of change. While he doesn't age, the world around him does, and he has to adapt. And of course, the theme of mortality in contrast to his immortality. He is constantly reminded of the fact that everyone else is mortal, and this can create a lot of internal conflict within him.
One common theme is the clash of cultures. Harry comes from a world full of magic and wizardry, while Firefly has a more gritty, science - fictiony, space - faring culture. Another theme could be redemption. Harry might use his immortality to right wrongs in the Firefly universe.
One common theme is the clash of cultures. Naruto comes from a world of ninjas and Harry Potter from a world of wizards. So, when they are combined, there is often a struggle to understand each other's ways. For example, Naruto might not understand the concept of magic wands at first, and the Hogwarts students might be baffled by his chakra use.
Well, a frequent theme is the idea of immortality and its consequences. In Harry Potter, immortality is often a more magical and less physical concept, while in Twilight it's very much a physical vampiric state. Fanfictions might explore how characters deal with this difference. Also, the theme of friendship and loyalty can be seen as characters from both worlds form new relationships. For example, Harry might have to decide whether to trust a vampire from Twilight when they're in a difficult situation together. And this can lead to complex character development as they navigate these new relationships.
One common theme is the power struggle. Since immortality often brings great power, characters might fight over it or struggle with how to use it in a world where there are already complex power structures in both the Harry Potter and Percy Jackson universes. Another theme is friendship. Characters from the two series might form new friendships or have their existing friendships tested in the face of new challenges brought about by the combination of the two worlds and the immortality factor.
Well, many 'Harry is immortal fanfiction' stories deal with the theme of sacrifice. Just because he's immortal doesn't mean he can't sacrifice things. In fact, his immortality might make him more likely to sacrifice himself for others in certain situations. Another common theme is the exploration of different magical abilities. Since he has an unlimited amount of time, he might discover new and unique magical powers that normal wizards don't have access to. And of course, the theme of good vs. evil still exists. His immortality can be a major factor in the battle between good and evil in the wizarding world.
In 'Harry Potter Immortal Emperor' fanfictions, a common theme is the exploration of new magical abilities. Since Harry is in an elevated position as an Immortal Emperor, he might discover or develop powers that were previously unknown. Another theme is the redefinition of good and evil. His new status could blur the lines between what was once clearly right and wrong. And the theme of time is also present. With immortality, Harry has to deal with the passage of time in a different way compared to normal wizards. This can lead to interesting plot developments and character studies.
One common theme is Harry's struggle with his new - found immortality. He has to deal with outliving his friends and loved ones, which can bring a lot of emotional turmoil.
One common theme is loneliness. Since fem Harry is immortal, she will likely outlive her friends and family. This can lead to a sense of isolation as she watches those she loves age and die while she remains the same.
One common theme is the exploration of relationships. For example, romantic relationships between characters that were not fully explored in the original books, like the relationship between Harry and Hermione. Another theme is the expansion of the magical world, such as new spells or magical creatures. Also, there are fanfictions that focus on the backstories of minor characters, giving them more depth and significance.
Love and sacrifice are also prevalent themes. We see how the love of Lily Potter saved Harry in the original series, and fanfiction often expands on this idea of love being a powerful force. There are also fanfictions that explore the idea of redemption for characters like Draco Malfoy, showing that even those on the wrong side can have a chance at changing and making amends.