One common plot twist could be that the kidnapper turns out to be someone Raven thought she could trust, like a former ally. This adds a layer of betrayal to the story.
A plot twist could also involve a double - cross among the kidnappers themselves. Maybe one of them has a change of heart and decides to help Serena escape. Or perhaps there's a misunderstanding and Serena was kidnapped by mistake, and the real target was someone else. This could lead to a whole different set of events as Serena tries to prove her innocence and find a way out.
A great plot twist would be if Raven is kidnapped and taken to a place where she meets her long - lost family members, but they're the ones who kidnapped her because they need her help to fight against a common enemy, and they knew this was the only way to get her attention. Another plot twist could be that the kidnapper has a split personality, and one side is good and wants to free Raven, while the other side is evil and wants to keep her captive. And the last plot twist might be that Raven is kidnapped into a parallel universe where everything is different, and she has to find a way back while also dealing with the kidnapper in this strange new world.
One interesting plot twist could be that the kidnappers are actually being controlled by an old enemy of the Hidden Leaf Village who has a personal vendetta against Naruto. Maybe they plan to use him as a bait to draw out the Hokage. Another twist could be that Naruto is kidnapped by someone he trusts, like a seemingly friendly ninja from another village who has a secret agenda.
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 possible plot twist could be that the kidnappers are actually being controlled by an old enemy of Naruto's village who wants to use him as a bargaining chip to get some ancient scrolls. Another could be that Naruto is kidnapped by someone who thinks he is the key to a powerful jutsu they want to unlock, but in reality, they have the wrong idea about Naruto's abilities. Maybe the kidnappers are from a hidden group within the ninja world that has a grudge against the Uzumaki clan and Naruto specifically.
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.
One possible plot twist could be that Sasuke is not the real kidnapper. Maybe he has an evil clone or someone is framing him. Another could be that Sakura has a hidden power that she discovers during the kidnapping ordeal, which changes the power dynamic. For example, she might be able to communicate with a spirit that helps her escape.
One common plot twist could be that the father of the baby is not who everyone initially suspects. Maybe there's a long - lost relative or a secret admirer involved. Another could be that Haruhi has some sort of special power or ability that is related to her pregnancy, like her unborn child is destined to save the world in the fanfiction universe. And sometimes, there might be a plot twist where Haruhi decides to give up the baby for adoption, but then changes her mind at the last minute.