Some Adventure Time TG fanfiction stories might focus on the Candy Kingdom. For example, the Gumball Guardians could be transformed into something other than their usual menacing selves. They could turn into friendly little creatures, and then the Candy Kingdom would have to find a new way to protect itself. Or perhaps Lady Rainicorn could take on a different form that makes her communication with others even more interesting, like being able to speak directly to the humans in their own language without the need for Jake to translate.
Well, a great Adventure Time TG fanfiction might involve Marceline becoming human for a while. This could lead to her experiencing emotions and situations she's never had to deal with before as a vampire. Maybe she tries to eat normal food and has a really strange reaction. Also, fanfictions often play with the idea of Ice King being transformed into something else, like a cute little animal. He'd be so confused and it would be a hilarious read.
One interesting 'Adventure Time Stories Fanfiction' could be about Finn and Jake going on a quest to a new, uncharted land in Ooo. Maybe they discover a tribe of magical creatures that no one has ever seen before. This could involve them using their usual problem - solving skills and teamwork to overcome challenges.
One possible theme could be transformation. If 'TG' implies some kind of change, the characters in Adventure Time are no strangers to that. Finn grows throughout the series, and a TG - related story could focus on his further transformation, perhaps in his understanding of the world around him.
There could be a fanfiction where Samantha discovers a hidden part of the Candy Kingdom. She teams up with Princess Bubblegum to explore it. Along the way, they face challenges like strange traps and puzzles. Samantha's unique perspective might lead them to find a long - lost treasure or a new type of candy that has amazing powers.
A cool Adventure Time school fanfiction might involve Marceline enrolling in a music school. Since she's a rocker, she could be teaching other students her unique style of music, or she could be learning new musical techniques from an ancient and mysterious music teacher.
A great fanfiction could be set around Farmworld Finn's family. Maybe his son gets into trouble by accidentally releasing an ancient evil that was trapped in a forgotten part of the farm. Finn then has to team up with some of the local farmers, who have their own unique skills and powers, to save his son and the farm from this new threat. This would show how the Farmworld community comes together and how Finn has changed as a character in this different world.
One interesting 'Adventure Time Human Fanfiction' could be about Finn growing up in a modern human world and dealing with normal teenage problems while still having memories of Ooo. Another might be about Princess Bubblegum as a human scientist, exploring new frontiers in a human city. And there could also be a story where Jake is a human with a unique shape - shifting ability that he has to hide from the world.
One interesting story could be about Minerva's origin. Maybe she was a lost princess from another dimension and her adventures in the Adventure Time world were all about finding her way back home while making friends with Finn and Jake. Another could be a story where Minerva discovers a hidden power within herself and has to use it to save Ooo from a new, unknown threat.
There could be a lemon fanfiction about Marceline and Princess Bubblegum. For example, it could be set during a time when they are trying to solve a mystery in the Candy Kingdom that has some sort of magical element involved. Their different personalities and powers play off each other in interesting ways throughout the story.
There might be a fanfiction where Fern goes on a solo adventure away from Finn and Jake. He encounters new creatures and has to rely on his own skills, which he's still developing. This could show his growth and how he adapts to different situations without his 'creator' Finn by his side. In the process, he might make new friends or enemies.
One interesting Adventure Time Canyon fanfiction could be about Finn and Jake exploring a hidden part of the canyon that has magical creatures. Maybe they find a group of talking crystals that give them clues to a long - lost treasure.