Well, one possible plot could be that the little brother has some unique magical abilities that are different from Elsa's ice powers. Maybe he can communicate with animals in the enchanted forest and has to use this power to save the kingdom from a new threat.
There could be a dark spirit that has been awakened by the little brother's emerging powers. This spirit is angry at being disturbed and decides to target the little brother. It causes chaos in Arendelle, blaming it all on the little brother. As the story progresses, the little brother has to find a way to either defeat or pacify this dark spirit to save his home and family.
One idea could be that Elsa and Anna discover a hidden magical realm within Arendelle. They meet new magical creatures there and have to work together to solve a problem that threatens both this new realm and Arendelle. For example, a dark magic is spreading and only Elsa's ice powers combined with Anna's courage can stop it.
Kristoff might also be a popular character in some fanfictions. He could be the one who helps Elsa and Anna on their adventures, providing his knowledge of the mountains and his loyalty. His relationship with Anna can also add an interesting dynamic to the story.
One interesting plot could be Elsa and Anna going on a magical adventure outside of Arendelle. They might discover a hidden land filled with unique creatures and have to use their sisterly bond and powers to overcome challenges there.
In some of these fanfictions, Sven could be a significant character. He might help Kristoff in his tasks related to Anna's pregnancy, like carrying supplies. Another character could be the trolls. They are known for their wisdom in the Frozen universe. So they could offer advice to Elsa and Anna about their pregnancies, such as how to deal with any magical complications or how to raise their children to be good and strong. And of course, the people of Arendelle are also important. Their reactions and support play a role in the story.
He could go on ice - climbing adventures with Elsa. Since Tarzan is so good at climbing trees in the jungle, he might adapt well to climbing ice cliffs in Arendelle. And with Anna, he could explore the forests around Arendelle, sharing his knowledge of the wild.
It's full of magic and adventure. The characters are cute and the storylines are engaging.
Well, perhaps the fanfiction could be about how the baby brings Anna and Elsa even closer together. Since they already have a strong bond, the baby could be like a little miracle that makes their family complete. The story could show their daily life taking care of the baby, like singing lullabies and teaching the baby to walk, with a lot of cute and heart - warming moments.
There is this fanfiction called 'Elsa's New Path'. It takes a different turn from the original story, showing how Elsa and Anna face new challenges together. It has a really engaging plot that keeps you hooked. In this fanfiction, the author does a wonderful job of maintaining the essence of the characters while adding new elements to their story. It also delves deeper into their relationship, exploring how they support each other in difficult situations. There are some really heart - warming moments between the two sisters that make it a great read for fans of Anna and Elsa.
Well, in fanfiction, anything can be possible. Maybe it could be due to some magical cross - over event. Perhaps a powerful magic combined the different worlds of Tarzan, Elsa, and Anna, and as a result, Tarzan became their brother in this fictional scenario.