One interesting plotline could be Bella having a unique power that the Volturi are both intrigued and threatened by. This could lead to a series of tense interactions between her and the Volturi members.
Another plotline could be that Bella discovers a long - lost secret about the Volturi's origin that has the potential to either destroy or redeem them. As she uncovers this secret, she has to navigate her relationship with them very carefully.
Perhaps a plot where Bella forms an unexpected alliance with some of the Volturi against a common enemy. This would completely change the power dynamics and create a lot of drama and suspense in the fanfiction.
Another plotline could involve Bella being used by the Volturi in their political games against other vampire covens. She, being a human - turned - mate, has unique abilities or a certain influence that they want to utilize for their own gains. And as she realizes this, she has to figure out how to resist or turn the situation to her advantage.
Well, in some fanfictions of 'bella and edward join volturi', they join because they believe it's the only way to ensure the safety of their family and friends. Once there, they could be involved in power struggles within the Volturi. For example, there might be factions that don't trust them and try to undermine their position.
One interesting plotline could be Bella's struggle to adapt to the Volturi lifestyle while being Caius' mate. She might face opposition from the other Volturi members, adding drama.
Another plotline might involve Baby Bella's relationships within the pack. For example, she could form a strong bond with one of the pack members that develops into a deep friendship or something more romantic. There could be conflicts arising from jealousy among other pack members.
One interesting Bella and Volturi fanfiction could be about Bella having a secret power that the Volturi are both intrigued and threatened by. For example, she might be able to control the elements in a way that no vampire has ever seen before.
Well, obviously Bella is one of the main characters. She is likely to be the central figure around which the story revolves. The Volturi leaders, like Aro, Caius, and Marcus, are also main characters as they play a significant role in any story involving the Volturi.
One possible plotline could be that Bella tries to hide her admiration for the Volturi from the Cullens. She might secretly collect information about them or have dreams about their world.
One interesting plot could be Bella learning the unique customs and rules of the Volturi. For example, she might have to adapt to their strict hierarchy and ancient traditions.
One idea could be Bella having to prove her loyalty to the Volturi kings in a series of dangerous trials. Another could be a love triangle between Bella and two of the Volturi kings. Maybe she discovers a hidden power within herself that the Volturi are interested in.
One common plotline is Bella dealing with internal power struggles within the Volturi. Another is her trying to change some of the Volturi's old - fashioned rules. And sometimes, there are plotlines about her protecting the Volturi from external threats while also trying to maintain her relationships with her old friends like the Cullens.