The unique element is often the exploration of Finn's different personality in his ice form. He can be more cold - hearted in a literal sense, which creates interesting conflicts.
Another unique aspect is the relationships Ice Finn forms. Since he's different from regular Finn, his interactions with characters like Jake, Princess Bubblegum, and even his enemies are changed. He might be more of an outcast, or he might find new friends among the ice - dwelling beings. These new relationships add a whole new layer of depth to the Adventure Time lore.
One popular 'Adventure Time Ice Finn Fanfic' is 'Frosty Adventures of Ice Finn'. It takes Finn in his ice form on a journey through the Ice Kingdom, facing new challenges and making strange allies.
One interesting Ice Finn fanfiction could be about his adventures in a frozen realm that wasn't shown in the original series. Maybe he discovers a new type of ice creature and has to form an alliance with it to save the day.
One common theme is friendship. Finn is all about his friends in the show, and in fanfics, his relationships with Jake, Princess Bubblegum, and others are often explored further. Another theme is self - discovery. Finn is constantly growing and learning about himself, and fanfics often take this aspect and expand on it. For example, in some fanfics, he discovers new powers or abilities that make him question who he really is.
Well, in fanfics regarding Finn's arm in Adventure Time, some might focus on a magical or mythical origin for his arm. For example, it could be revealed that his arm has a connection to some ancient power or being from the Land of Ooo. It could also be used as a plot device to show Finn's growth. If his arm is injured, he might have to learn to adapt and become stronger in other ways, which would be an interesting character development arc in the fanfic.
One idea for an Adventure Time Finn arm fanfic could be that Finn discovers his arm has the ability to phase through solid objects. This new power could lead him on a quest to find out where it came from and how to control it. He might have to visit some of the more mysterious places in Ooo, like the Crystal Dimension, to get answers.
One great example could be a fanfiction where Finn and the Ice Prince have to team up to save Ooo from a new, powerful enemy. In this story, Finn's bravery and the Ice Prince's ice powers complement each other in unexpected ways. They start off as reluctant allies but gradually develop a mutual respect as they face various challenges together.
I really liked 'Ice Finn's Frozen Quest'. It has Ice Finn going on a journey to find a magical ice crystal that can restore balance to the Ice Kingdom. It's full of action and some really cool descriptions of the icy landscapes.
One common theme could be friendship. Finn's relationships with other characters in Adventure Time might be explored in relation to this 'butt' aspect in a humorous or unique way. Another theme could be adventure itself. How Finn's adventures are affected or related to this particular idea.
One positive theme could be Finn's adventures in new and unexplored lands. He could discover new magical creatures and form friendships with them. Another theme could be Finn's growth as a hero, learning new skills and becoming even more courageous. Also, his relationships with other main characters like Jake and Princess Bubblegum can be explored in a positive way, like how they support each other through tough times.
Friendship is a common theme. Finn and Bubblegum have a unique bond in the show, and fanfics often explore how deep that friendship can go. Another theme is adventure. Since the show is all about adventure, fanfics usually send them on new quests.