The theme of sacrifice is quite prevalent. Characters might sacrifice their own desires or safety for the sake of their loved ones. In many 'Lost in Love' fanfictions, we see Marceline giving up parts of her vampire nature to be with Princess Bubblegum. Also, the theme of acceptance is important. Accepting the flaws of the loved one and the oddities of the Adventure Time world is often explored in these fanfictions.
Love as a force of growth is a major theme. The characters grow and change as a result of their love experiences. Finn starts as a naive boy but his love interests make him more mature. And there's also the theme of forbidden love. Some relationships in Adventure Time, like Marceline and Princess Bubblegum's in the earlier days, were seen as a bit taboo in the context of the show's world, and this is often explored in fanfictions about being lost in love.
One common theme is self - discovery. Finn often goes through a process of learning more about himself as he experiences love. Another theme is friendship. Since Finn has so many friends in Adventure Time, his relationships with them are often intertwined with his romantic interests.
One common theme could be regret. Since it's about lost time, characters might be dealing with things they didn't do or choices they regret. Another theme could be redemption, trying to make up for the lost time.
Another theme is the idea of fate or destiny. Some 'love lost love found' fanfictions suggest that no matter what, the two characters are meant to be together. So even if they lose their love for a time, the universe will conspire to bring them back together. It gives a sense of hope and inevitability to the story.
One common theme is self - discovery. Fern is often portrayed as trying to figure out who he really is, especially considering his unique origin in the Adventure Time universe.
Self - discovery is also a significant theme. Jake is constantly learning about himself, his abilities, and his place in the Adventure Time world. In fanfiction, this can be seen when he faces challenges that force him to reevaluate who he is. Additionally, the theme of friendship is ever - present, as Jake's relationships with his friends are a huge part of what makes the Adventure Time universe so appealing.
One common theme is the clash of cultures. Naruto comes from a world of ninjas and strict training, while Adventure Time has its own very different and often wacky culture. Fanfictions often explore how Naruto adapts to this new world and how the characters from Adventure Time react to his presence.
Well, 'Lost in Love: Adventure Time Edition' by an unknown author is quite good. It takes the concept of love and twists it in a way that's unique to the Adventure Time world. The story focuses on Jake and Lady Rainicorn's relationship and how they face a new threat that could potentially break their bond. It's full of action and also tender moments of love that fans of the show would enjoy.
Often, it involves time paradoxes, alternate timelines, and the struggle to return to the correct era. Characters might also grapple with the moral implications of manipulating time.
One common theme is friendship. Finn and Marceline have a unique friendship that often gets explored in fanfiction. They come from different backgrounds, Finn being a human hero and Marceline a vampire, and how they bridge those differences in their friendship is a popular theme. Another is adventure. Since they live in the Land of Ooo, they often go on wild adventures together in these stories.
The theme of redemption can also be found. If Finn is somehow influenced by the demons in a negative way, he tries to find a way to redeem himself. There are also themes related to the unknown and exploration. The demon world is often a new and mysterious place for Finn to explore, which brings in the theme of discovery.