In some fanfictions, they might face a series of challenges. For example, they could be wrongly accused of breaking vampire laws. The Volturi might be very strict and unforgiving in the fanfiction world. Bella and Alice would have to use their wits and powers, if any, to defend themselves. Maybe they would try to negotiate with the Volturi leaders like Aro, Caius and Marcus.
Often in fanfiction, Bella and Alice going to the Volturi can lead to some interesting character developments. Bella might learn more about the complex vampire politics. Alice, with her gift of seeing the future, could be trying to prevent a disaster that she has foreseen involving the Volturi. And there could be some unexpected alliances formed during their visit, either with other vampires within the Volturi or against the Volturi themselves.
Well, they could be on a mission to seek help from the Volturi. Perhaps there's a new threat in the vampire world that they can't handle alone. The Volturi, being the powerful vampire coven, could be their last resort. But it's also possible that the Volturi see them as a threat to their power and try to eliminate them instead.
Well, it could be that Bella and Alice are on a mission to learn some secrets from the Volturi. They might be disguised or using their unique abilities to get close to the Volturi leaders. It could also involve some tense moments of almost being discovered and having to use their wits to escape tricky situations.
One possible motive is to rescue someone. Maybe a friend or a family member of theirs has been captured by the Volturi. Another could be to gain knowledge. The Volturi are very old and have a lot of secrets about vampire existence, so they might go there to learn more.
Well, in this fanfiction, Bella might learn a great deal about the Volturi's history and their ways. She could get involved in their internal politics, perhaps helping to resolve some disputes among them.
In this fanfiction, she might gain new powers. Since the Volturi Guard is known for its strength and special abilities, Bella could be transformed in many ways.
Perhaps there is a rogue vampire within the Volturi's ranks who doesn't want Bella and Alice there and tries to undermine their purpose. This vampire could be jealous of their relationship or afraid that they will expose some of the Volturi's secrets.
The Volturi's visit to the Cullens in Twilight fanfiction can bring about various scenarios. It could start with a formal greeting but quickly turn into a tense negotiation. Since the Volturi are known for their strict rules, they might question the Cullens about their relationships with humans, like Bella. They may also be interested in the unique abilities of the Cullens. For example, if there's a new power among the Cullens, the Volturi would want to know more about it. And the Cullens would have to be very careful in how they handle this visit to avoid any conflict that could lead to a battle.
In some fanfictions, they might explore new places together. Maybe they would visit a secluded beach where they can enjoy the sunset in peace. Alec could show Bella the unique vampire culture he is a part of, like special vampire - only events or places.
If Bella Swan's cousin fell in love with a Volturi in fanfiction, it would likely be a very dangerous situation. The Volturi are known for their strict rules and harsh punishments. The cousin might be in immediate danger just for being a human in a relationship with a powerful vampire. There could be attempts to either turn the cousin into a vampire quickly or to keep the relationship a secret from the rest of the Volturi.
Well, she may try to use her position to influence the Volturi's decisions. Maybe she could try to prevent them from taking actions against the Cullens or other vampires she cares about. Also, she would likely have to deal with the other Volturi members who are very powerful and perceptive. She'd have to be constantly on guard not to be discovered. And her relationship with Edward would be put to the test as she has to keep this huge secret from him. It could lead to a lot of tension and drama in the story.
One possibility is that Bella is forced to join the Volturi for some reason. Perhaps the Cullens are in trouble and the Volturi offer Bella a deal - join them and they'll spare the Cullens. So she enters their world, where she has to deal with the different personalities among the Volturi members, like Aro's calculating nature and Caius' harshness.