One common plot twist is that the kidnappers turn out to be people Eren thought he could trust. For example, in some fanfics, it could be someone from his own military unit who has a hidden agenda. This adds a layer of betrayal and makes the story more complex.
Sometimes, the plot twist is that Eren's kidnapping is a setup by an enemy to draw out the other Scouts. The kidnappers leave false clues and misinformation. This causes the Scouts to make wrong decisions and get into dangerous situations. However, Eren manages to figure out the truth and find a way to communicate with his friends, leading to a reversal of the situation. It's a great way to create a tense and engaging story.
One common theme is identity. Since Eren is female in these fanfictions, there's often exploration of how she fits into the world that was originally designed around a male Eren. Another theme is relationships, like her friendships or potential romances with other characters in a different light.
There's a fanfic titled 'Kidnapped Eren: A Different Path'. Here, Eren is kidnapped by a rogue group within the walls. They have different motives than the usual antagonists. It delves into the politics and power struggles within the world of Attack on Titan, while also showing Eren's struggle to escape and his growth during the ordeal. It's quite an interesting take on the concept.
Well, sometimes in princess kidnapped fanfiction, a plot twist is that the princess was kidnapped as part of a political scheme by her own family members. They might be trying to gain power or start a war. Also, the princess could find out that she has a long - lost twin during the kidnapping ordeal. And then there's the twist where the place she's being held is actually a portal to another world, and she has to figure out how to get back home from there.
One common plot twist could be that the kidnapper is someone they least expect, like a close acquaintance with a hidden agenda. Another might be that Bughead discovers a secret about their captors during the kidnapping that changes the whole situation.
One common plot twist could be that the kidnapped person discovers they have a special power or connection to the vampire world that the vampire didn't expect. For example, they might be able to resist the vampire's mind - control powers more than others. Another twist could be that the vampire who kidnapped them is actually being controlled by a more powerful and evil entity. So, instead of being the main villain, the kidnapping vampire becomes an ally later on. And sometimes, the kidnapped person turns out to be a long - lost relative of the vampire, which completely changes the dynamic between them.
A plot twist might be that Sokka's kidnapping was part of a bigger plan to draw out other important characters. For example, his friends come to rescue him and end up walking into a trap set by the kidnappers.
Sometimes, the plot twist is that Stiles is actually in on the kidnapping in a way. Maybe he's trying to protect his friends from a greater danger by faking his own kidnapping. So all the while his friends are searching for him, he's actually on a secret mission of his own, which is revealed later in the story and makes for a really interesting read.
One common plot twist could be that the kidnapper turns out to be someone Clarke knows in a different context, like an old acquaintance with a hidden agenda.
One common plot twist could be that the kidnappers turn out to be working for an old enemy of Spider - Man who wants to use Peter to get to him. Another could be that the person behind the kidnapping is someone Peter thought he could trust, like a fellow student or a neighbor who has a hidden agenda. Maybe there's also a plot twist where Peter discovers he has a new power during the kidnapping situation that helps him escape.
A common plot twist could be that the kidnapper is actually someone the victim thought was a friend. For example, a fellow trainer who seems friendly but has a hidden agenda. Another twist could be that the kidnapped Pokémon or character has a special power that the kidnappers didn't expect, which helps in their escape or rescue. For instance, a Pokémon that can turn invisible at will.