One possibility could be that they form a strong bond like a family. They support each other in the challenges they face in the vampire world. For example, they might work together to protect their territory from other vampires. They could also share their different experiences and knowledge, like Alice's visions helping them prepare for future events.
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.
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.
One possible storyline could be their adventures together in the vampire world. They might face challenges from other vampire clans and have to use their combined powers to overcome them.
In Rosalie and Bella mates fanfiction, Rosalie's character development could involve her letting go of her past traumas more easily with Bella's presence. She becomes more forgiving and less bitter. Bella's development could be quite complex. She might grow to have a more nuanced view of the vampire world. She could start to question some of the things she once took for granted. Their relationship forces them both to look at themselves and grow in ways they hadn't expected.
One popular 'bella and rosalie are mates fanfiction' is 'Eternally Bonded'. It delves deep into their relationship, exploring how they overcome the initial differences and form a strong bond. The story has well - written dialogue and vivid descriptions of their emotions.
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.
Well, family reactions are a big theme. How their respective families, like the Cullens, react to their relationship. And there's also the theme of protection. They protect each other from various threats, whether it's from other vampires or just the general challenges of their world.
One key element is the development of their relationship. It usually starts from a somewhat tense or at least an uncertain beginning and then gradually evolves into a deep bond. For example, they might initially misunderstand each other due to their different backgrounds.
In this fanfiction, the relationship could start with a simple attraction. Esme might be drawn to Bella's unique human - turned - vampire essence. As they become mates, they could travel together, exploring different parts of the world. Along the way, they encounter other supernatural beings. Their bond is tested when Bella is put in danger, and Esme has to use all her strength and wits to save her. This experience deepens their relationship and they become even closer, vowing to always protect each other.