Well, one possible plotline could be the complex relationships that develop due to the pregnancy. Maybe there are power struggles within the family or group related to the unborn twins. Another could be how Daenerys copes with the physical and emotional changes during the pregnancy in a unique setting.
One interesting plotline might be the discovery of the pregnancy itself. It could be a shock not only to Daenerys but also to those around her. Then, as the pregnancy progresses, there could be prophecies or superstitions associated with the twins. This could lead to different factions trying to influence the outcome, either for good or bad. There could also be a focus on the bond between the unborn twins, even in the womb, and how that might play a role in the overall story.
Obviously, Daenerys is one of the main characters. There might also be characters related to her family or those close to her who play important roles, like her advisers or lovers.
Perhaps a plotline where they try to keep the pregnancy a secret at first. This could involve them hiding it from their allies and enemies alike. They might be worried about how the news would affect their standing in the various power struggles. Daenerys could fear that it makes her seem weak, while Jon might worry about the reaction of the Northern lords.
One possible plotline could be Daenerys facing the challenges of ruling while pregnant. She has to deal with political intrigue and threats to her throne, all while protecting her unborn child. Another could be her journey to find a safe place for her child to be born, perhaps encountering new allies and enemies along the way.
One possible interesting plot could be how Daenerys deals with the political implications of her pregnancy. For example, she might have to form new alliances or face challenges from her enemies who see her pregnancy as a sign of weakness or an opportunity to gain power. Another plot could be the emotional journey she goes through as she prepares to become a mother, especially considering her past traumas and her strong will to rule.
One idea could be exploring how the pregnancy affects Daenerys' political decisions. Since she's in a powerful position, she might have to balance her new role as a mother - to - be with her leadership. Another could be the reactions of her allies and enemies. Her allies might see the unborn child as a symbol of hope and a continuation of her dynasty, while her enemies could plot to use the pregnancy against her.
One possible plot idea could be the challenges Daenerys faces in protecting her unborn twins. Maybe political enemies try to use her pregnancy as a weakness. Another idea is how she prepares for their future, like choosing the right advisers for when they grow up.
Perhaps a plotline could revolve around the mystery of how she became pregnant in the context of the fanfic's world. It could be something magical or a very unique situation. And then there could be a story about her preparing for the arrival of the baby, such as gathering supplies and making a safe place for the baby in a rather fantastical setting.
One interesting plotline could be Daenerys seeking revenge on those who betrayed her in the original series. She might use her dragons to lay waste to their cities and armies.
Well, a simple idea could be that the pregnancy is a secret at first. Only a few close allies know. Jon and Daenerys have to be very careful to keep it that way. They might have some close calls where the secret almost gets out, adding a lot of tension to the story.
Well, in some fanfics, a plot twist could be that the pregnancy was a result of some sort of magic or prophecy manipulation. So, instead of it being a natural occurrence, it was part of a grand scheme. This could lead to a lot of self - discovery for Jon and Daenerys as they figure out what it all means and who was behind it. Also, the twins might have some sort of connection to an ancient evil or a long - lost power, which would add a whole new layer of mystery and danger to the story.