Well, perhaps a plot idea could be that Elsa discovers she's pregnant in a rather unexpected way. Maybe her magic gives her some sort of sign. Then, as she goes through the pregnancy, she starts to have visions of the future of her child. These visions could be both positive and negative, causing her to worry and take extra precautions. And of course, the story could also include how the other characters like Kristoff and Sven interact with Elsa during this special time, providing support or comic relief in different situations.
One plot idea could be Elsa's journey in dealing with her newfound state while still having to rule Arendelle. She might struggle with how to balance her duties and her pregnancy. Another could be the reactions of the people in Arendelle, some might be overjoyed and see it as a new beginning, while others could be worried about the implications for the kingdom. Also, we could explore how Elsa's powers interact with her pregnancy, like whether her emotions during this time affect her magic in unexpected ways.
Well, a possible plot is that Elsa's pregnancy is a result of some magical encounter. As she progresses through the pregnancy, she starts to notice that her unborn child has an affinity for ice magic even before birth. She then decides to create a special, safe place made of ice for the baby to be born in. And also, she could have dreams about the future of her child, which guide her in making decisions for Arendelle's future as well.
One plot idea could be exploring how Elsa deals with the physical and emotional changes during pregnancy while still having to manage her ice powers. Maybe she has to learn to control her powers more carefully so as not to accidentally harm herself or the baby. Another could be about how the people of Arendelle react to the news. Some might be overjoyed, while others could be worried about the implications of a child with ice powers.
A plot idea might be that there is a strange blizzard that is not caused by Elsa. Kristoff, suspecting foul play, comes to Elsa for help. Together, they discover a dark sorcerer is behind it. As they battle the sorcerer, Kristoff helps Elsa see that she doesn't have to be afraid of her powers and can use them more freely. This could lead to a deeper friendship or more between them.
One idea could be that Elsa discovers she has vampire powers after being bitten in a hidden part of the frozen forest. Another could be a love story where a vampire falls for Elsa and tries to convince her to embrace the dark side while she struggles with her own ice powers and the implications of becoming a vampire. Or perhaps Elsa is turned into a vampire and has to learn to control her new thirst while still ruling Arendelle.
One idea could be that a powerful dark sorcerer kidnaps Elsa because he wants to use her ice powers for his own evil deeds. He locks her in a magically sealed dungeon deep in an ancient castle. Another plot could involve a group of thieves who mistake Elsa for a valuable princess they can ransom. They take her to a hidden lair in the mountains. A third option is that a jealous rival from another kingdom, who envies Elsa's powers and her popularity, arranges the kidnapping to discredit her.
One plot idea could be that Elsa discovers a mysterious stranger from a far - off land who is immune to her ice powers. As they get to know each other, she starts to fall in love. They go on adventures together, exploring new lands and facing challenges that test their relationship.
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.
There may be some fan - created stories out there that explore such a concept in an appropriate and family - friendly way. However, it's important to note that Disney's official canon doesn't include Elsa being pregnant. Fanfics often take creative liberties to expand on characters' lives in different scenarios.
One idea could be that Elsa discovers she has the power to create a magical baby snow creature, and Jack Frost comes to visit and is fascinated by it. They then start to explore the possibilities of Elsa's powers together in relation to this new creation.
A possible plot could be that there is a lemon - themed festival in Arendelle. Hans, who has returned after his banishment, tries to win Elsa's forgiveness during this festival. Elsa is initially skeptical but as they both participate in the lemon - inspired games and activities, they start to develop a new relationship that is different from their previous encounter.