It really depends on the nature of the unexpected situation. If it's something related to brute force and physical combat, Rosalie might be the most powerful. She is incredibly strong and has a lot of combat experience. However, if it's a situation where mental agility and the ability to adapt quickly are required, Bella could be a strong contender. She has shown great resilience and the ability to think on her feet. But overall, if we consider all aspects, Alice's power of foresight gives her an advantage in most unexpected situations as she can prepare in advance for whatever comes their way.
Perhaps they embark on a journey to discover more about their own origins. This could involve traveling to different places, meeting old vampires who might know something about their past. Along the way, they learn more about each other and grow closer as sisters.
It could be other vampires who are jealous of their unique relationship. Maybe there are some traditionalist vampires who don't accept this new kind of mating bond among them.
Well, in this fanfiction, Alice is the one who might be seen as the 'seer' of the group. She can pick up on things that others miss. Rosalie is the strong - willed and confident character. And Bella, she's like the heart of the group, bringing a sense of warmth and relatability. They all play important roles and their interactions drive the story forward.
Edward Cullen is often a popular character in these fanfictions. Since he has a close relationship with Bella in the original story, his role can be further explored in relation to Rosalie and Bella's relationship. Another one could be Alice Cullen. Her ability to see the future can add an interesting dynamic, especially when it comes to predicting things that might affect Rosalie and Bella's friendship or any adventures they might go on.
Rosalie could be a very powerful ally. She has physical strength and vampire abilities that could protect Bella. Also, she has experience living as a vampire for a long time. However, Alice could also be a great ally as she can see the future and warn Bella of upcoming dangers.
The relationships could develop through shared adventures. They could go on a journey to find a lost vampire artifact or to rescue a captured vampire friend. During these adventures, they would learn more about each other's strengths and weaknesses. Bella's tenacity, Rosalie's beauty and strength, Alice's foresight, and Esme's motherly love would all play a part. As they face danger together, their bond as mates would become stronger and more complex.
Often in fanfictions, the sisterly bond is strengthened by their common experiences. They might have all faced some kind of danger or hardship together. This would lead to a deeper understanding and connection between Bella, Alice, and Rosalie, making their relationship as sisters more complex and interesting.
One great 'Alice Rosalie and Bella fanfiction' could be one where they go on a road trip together. It would be interesting to see their different personalities interact during the journey, like Alice's premonitions causing some unexpected detours and Rosalie's protective nature coming out when they face any sort of danger. Bella, of course, would be in the middle, trying to understand their complex relationship.
You can try fanfiction websites like Archive of Our Own (AO3). It has a vast collection of fanfictions on various topics, and there's a high chance you'll find some great 'Alice Rosalie and Bella fanfiction' there. Just use the search bar and type in the relevant tags.
An unexpected guest could be a human who has some sort of special ability to see the supernatural world but has been hiding it. This person could come forward at the wedding and reveal that they know all about the vampires and werewolves and that they have a message from a higher power about Jacob and Bella's relationship. It would be very unexpected as no one expected a normal human to be involved in such a way.