One idea could be that Bonnie discovers she's pregnant during a time of great chaos in the magical world. She has to keep it a secret while trying to protect herself and her unborn child from dark forces. Another could be a story where the father of the baby is a mystery, and Bonnie goes on a journey to figure it out all while dealing with the physical and emotional changes of pregnancy.
In a 'Bonnie Bennett pregnant fanfiction', it could be that Bonnie is in a relationship with a character who is not from her usual circle. Her pregnancy then causes a stir in both her world and the other character's world. She has to navigate the cultural differences between their two worlds while also preparing for motherhood. There could be a lot of drama as she tries to make everyone accept her situation and the new life she's bringing into the world.
One idea could be that Bonnie discovers she's pregnant during a time of great turmoil in the supernatural world. She and Stefan then have to figure out how to protect their unborn child from all the threats. Maybe they go into hiding, and along the way, they face challenges that test their relationship and their will to survive.
One idea could be exploring how the other characters in the FNAF universe react to Bonnie's pregnancy. They might be confused, excited, or worried. Another could be the challenges Bonnie faces during the pregnancy, like dealing with her animatronic body limitations.
Perhaps the fanfiction could explore the challenges they face due to their different natures. Elijah being a vampire and Bonnie being a witch. There could be concerns about the health of the baby, with Bonnie using her magic to ensure a safe pregnancy and Elijah struggling with his vampiric instincts, like the urge to drink blood while being around his pregnant partner.
Well, they could start a new life away from all the chaos. They find a peaceful place where no one knows them and try to raise their baby in secrecy. But then, their past catches up with them. Maybe an old enemy of Kol's discovers their location. Another angle is that the baby has some unique powers even before birth, and this attracts the attention of both good and bad elements in the supernatural world. Bonnie and Kol then have to figure out how to handle this situation without putting their baby in danger.
It could be Enzo. They had a connection in the show, so it's possible that in the fanfiction, their relationship could have led to Bonnie getting pregnant.
There might be a fanfiction where Bonnie and Damon get trapped in an alternate dimension. They have to rely on each other to find a way back home. Along the way, they discover new sides of themselves and their relationship deepens as they face various challenges in this strange new world.
In a fanfiction plot, Bonnie being pregnant could lead to a story where she forms an unexpected alliance. For instance, she might team up with a heretofore enemy because they have some knowledge about how to keep the baby safe during her pregnancy. Also, the pregnancy could be a sign of a prophecy in the Vampire Diaries universe. This could set Bonnie on a journey to figure out what the prophecy means for her baby and the future of Mystic Falls.
One characteristic is her courage. Whether she's in a crossover with the Star Trek universe or the Game of Thrones world (in some really wild crossovers), she is not afraid to face the challenges. Her magic also takes on new aspects in different crossovers. In a crossover with the X - Men world, her powers might be seen as a mutant ability. And she always brings a bit of her own world's culture and values, which often leads to interesting interactions with the characters in the crossover universes.
Maybe there's a fanfiction where Ash and Bonnie enter a Pokemon tournament that's different from the usual ones. This tournament has strange rules, like Pokemon can only use moves that start with a certain letter. They have to quickly train their Pokemon to adapt and come up with new strategies. Along the way, they meet old friends and rivals who also want to win this unique tournament.
Perhaps in the fanfiction, Bonnie is in a situation where she needs the protection of the Originals. As she stays with them, she starts to influence their way of thinking, and they in turn introduce her to a different side of the vampire world. This interaction could lead to a romantic relationship between Bonnie and one of the Originals, while also facing challenges from the vampire and witch communities.