The relationship can start with conflict. For example, Cinder might see Raven as a threat to her plans, and Raven might see Cinder as a dangerous and unpredictable force. Then, through a series of events like battles or encounters where they have to work together against odds, they start to respect each other's strength.
You could also develop their relationship through character backstories. Maybe Cinder's past has some similarities to Raven's in terms of being betrayed or abandoned. When they share these stories, they find common ground. Cinder could start to see Raven not just as an enemy but as someone who has been through similar hardships. And Raven could see Cinder as a more complex figure than she initially thought, which would lead to a more nuanced relationship between them in the fanfiction.
In RWBY fanfiction, Salem and Cinder often have a complex relationship. Salem is a powerful and manipulative figure. She sees Cinder as a useful tool. Cinder, on the other hand, is ambitious and craves power. She is willing to do Salem's bidding in order to gain more power for herself.
It would greatly affect her relationship with Emerald and Mercury. They might be confused as to why Cinder is so interested in Pyrrha. Emerald could feel jealous, thinking that Cinder is replacing her with Pyrrha in some way. Mercury, on the other hand, might just be indifferent or find it strange.
In fanfiction, they could also develop their relationship through a friendly rivalry. They could compete in things like combat training or fashion design (since Coco is into fashion). This kind of rivalry would be healthy and would push them both to improve. And at the end of the day, they would still be friends who support each other. For instance, if Ruby loses in a combat training match, Coco would give her tips to improve, and vice versa.
The relationship between Ruby and Raven in RWBY fanfiction is really interesting. Ruby represents the new generation of hunters, full of hope and positive energy. Raven is from an older, more troubled generation. Fanfictions might play with the idea of Raven seeing a bit of herself in Ruby, or Ruby trying to break through Raven's tough exterior. There could be stories where Ruby's idealism clashes with Raven's more cynical view of the world, leading to intense and emotional interactions between the two characters.
They can develop their relationship through shared hobbies. For example, if they both like reading, they could start a book club together at school. This would give them time to talk and get to know each other on a deeper level.
She could gain new powers or abilities. In the Naruto universe, there are many different forms of power. Maybe she could learn some basic ninjutsu or even develop a new form of her Maiden powers by combining it with chakra. This would not only change her combat capabilities but also her character as she becomes more powerful and has to handle this newfound strength in a different way compared to RWBY.
To write a compelling interaction, start with a strong contrast in their personalities. Ruby is optimistic and pure - hearted, while Cinder is cynical and power - hungry. Have them meet in a situation where their goals conflict, like when they both are after a powerful relic. Ruby could try to reason with Cinder, appealing to her better nature (if there is one). Cinder, on the other hand, could mock Ruby's naivete while secretly being intrigued by her unwavering belief in good.
The relationship can be developed through shared experiences. For example, if they are put in charge of a difficult mission together. They will have to communicate, trust each other, and rely on each other's skills. This will create a bond between them. Another way is if Pyrrha has some personal problems, like dealing with her fame as a champion. Glynda can offer her advice based on her own experiences. This will make Pyrrha see Glynda as a mentor and a friend.
A more emotional plot could be that they discover they have a shared past that they were unaware of. Maybe they both had a connection to a certain character who was important in their lives before they became who they are now. This revelation makes them question their own paths and they start to see each other in a new light, leading to a tentative alliance and exploration of their similarities and differences.
Their relationship can be developed through shared experiences. For example, they could go on a mission together where they face a difficult enemy. By relying on each other during the fight, they start to see each other in a new light. Another way is through communication. If they have an honest conversation about their feelings, past misunderstandings can be cleared up, which helps to strengthen their bond.