Well, in some 'bella is immortal fanfiction', a common plot is her finding other immortals like herself. They could form a sort of community or family. Maybe there are rules among these immortals that Bella has to learn and adapt to. For instance, there could be a code about not revealing their immortality to mortals in a certain way. Another interesting plot could be Bella using her immortality to pursue knowledge. She has all the time in the world to study various fields like art, science, and philosophy. She could become a great scholar or artist over time. Also, there might be a plot where Bella has to hide her immortality from her old friends and family who still think she's mortal.
Well, in some plots, Bella might use her psychic powers to predict future events in the fanfiction world. For example, she could foresee danger coming to her friends and take steps to prevent it.
Perhaps in the 'bella as a baby fanfiction', there's a plot where Bella is a baby and she has a special connection to a magical or supernatural element in the world. For example, she can see fairies or spirits that others can't. This would create a lot of mystery and adventure as those around her try to protect her or figure out what she's seeing.
One interesting plot could be Damon and Bella having to face a powerful supernatural enemy together. They combine their unique powers and skills to protect their relationship and the people they care about.
One interesting plot could be their exploration of a new, mysterious island during their honeymoon. They might discover hidden caves with ancient secrets.
One interesting plot could be the complex relationships that form within the pack as they imprint on Bella. There might be jealousy and competition among the pack members, which adds drama to the story.
One interesting plot could be that Dark Carlisle has some hidden powers that Bella discovers. This discovery could lead to a series of adventures where they have to face off against some new and powerful enemies in the vampire world.
Well, in some 'Bella pregnant in Eclipse fanfiction', there might be a plot where Bella discovers new powers or abilities related to her pregnancy. It could add an exciting twist to the story as she tries to figure out how to control or use these newfound powers in the context of the Eclipse universe.
Perhaps in the fanfiction, Bella is part of a hidden community of 'children of the moon'. There could be a plot where she has to prove herself to this community and face challenges that test her loyalty and abilities. For example, she might have to complete a difficult task during a full moon to be fully accepted.
One possible plot could be how Jacob and Bella deal with the reactions of their families and friends. Maybe some are supportive while others are shocked.
One interesting plot could be Bella developing a new power while living with the Cullens. For example, she might gain the ability to communicate with animals like some of the other vampires. This would add a new dynamic to her relationship with the Cullens and also pose new challenges and adventures as they try to keep it a secret from the outside world.