Friendship is a very common theme. Their strong bond as friends often drives the plot. For example, in many fanfictions, they support each other through tough times.
There is a fanfiction called 'A Magical Encounter'. In this story, Twilight Sparkle and Princess Cadence go on an adventure in a mysterious land. They learn new spells and their bond deepens. It has really interesting plot twists.
Friendship is a very common theme. Given their relationship in the original context, fanfictions often explore how they are friends and support one another. For example, they might help each other out in times of trouble in the magical land.
They often interact as teacher and student. Luna, with her vast knowledge of the old magic, can teach Twilight things that are not found in modern magic books. For example, Luna might show Twilight how to communicate with the spirits of the night.
Well, 'Harmony of Hearts' is a fanfiction worth reading. It delves deep into the relationship between Twilight Sparkle and Cadence, exploring how their different personalities complement each other. It shows how they grow together and bring harmony not only to their own lives but also to the whole pony community.
Twilight Sparkle and Princess Luna often have interesting interactions in fanfiction. Fanfic writers might explore their relationship in different ways. For example, some might focus on their friendship, showing how they support each other in ruling Equestria or in magical studies. Others could create adventures where they team up against a common foe. There are also stories that delve into their individual growth and how they influence each other's development.
One common theme is friendship. Since Twilight Sparkle values friendship highly in the original series, it often features in fanfiction as she uses it to solve problems or strengthen relationships. Another theme is magic. Twilight is a very magical character, so her magic and the exploration of new magic forms are often in these stories.
One possible plotline could be Twilight Sparkle dealing with the physical and emotional changes of pregnancy while still having to fulfill her princess duties in Ponyville. Another could be her friends helping her prepare for the arrival of the new foal, like Pinkie Pie throwing a baby - themed party.
One common theme is mentorship. Twilight, being younger and still learning, can be mentored by Luna in areas like lunar magic or understanding the history of Equestria. Another theme is friendship. They often form a strong bond in fanfiction, relying on each other in times of trouble. Also, redemption can be a theme, especially for Luna as she continues to atone for her past misdeeds, and Twilight can play a role in that process.
A likely candidate could be Discord. He is known for causing chaos and mischief. He might pretend to befriend Twilight Sparkle only to betray her at a crucial moment. Another possibility is Trixie. Trixie has been jealous of Twilight in the past and could betray her out of envy.