One interesting pairing could be Pyrrha and Renji. Pyrrha was a very skilled fighter in RWBY, and Renji is a passionate Soul Reaper. They could share their experiences in combat and their different ways of achieving power. Another pair could be Nora and Yachiru. Nora is bubbly and energetic, and Yachiru is always looking for fun. They could get into all kinds of mischief together while also being surprisingly effective in battle when the situation calls for it.
Yang and Kenpachi would be a wild and exciting pairing. Yang is all about brute strength and has a bit of a hot - headed nature. Kenpachi is the same, always looking for a good fight. They could have some epic battles together, or team up and be an unstoppable force. Also, Blake and Urahara could be an interesting pair. Blake is stealthy and intelligent, and Urahara is a mastermind with all kinds of tricks up his sleeve. They could scheme together to solve the problems that come up in the crossover world.
I think Uryu and Weiss could be a fascinating pairing. Uryu is the Quincy with his pride in his heritage, and Weiss is the Schnee heiress with her own sense of family pride. They could have some intense debates about their families and legacies. At the same time, they could learn from each other's combat styles. Uryu could show Weiss how to be more adaptable in battle, while Weiss could teach Uryu about the importance of elegance in combat.
Definitely Ichigo and Ben. Ichigo has his strong sense of justice and his powerful Hollow - Soul Reaper abilities. Ben, on the other hand, has the Omnitrix with all its different alien forms. They would make an interesting duo as they could learn from each other's fighting styles and powers. Ben could learn about the spiritual aspect of Ichigo's powers, and Ichigo could be amazed by the physical transformations Ben can do.
Naruto and Rukia could be an interesting pairing. Naruto's exuberant and positive personality could contrast with Rukia's more reserved and serious nature. They could learn a lot from each other. For example, Naruto could teach Rukia about the importance of never giving up and believing in oneself, while Rukia could show Naruto the more disciplined way of the Soul Reapers.
A pairing that has gained popularity is Rukia and Pyrrha. Rukia's cool - headedness and Pyrrha's kind - hearted and strong - willed nature work together well. Their friendship or potential romantic relationship can be a central point in many 'bleach rwby crossover fanfiction'. Additionally, some fans also like the idea of Byakuya and Glynda. Their no - nonsense attitudes and leadership qualities can be an interesting combination to explore.
Ruby and Cayde - 6 would be an interesting pairing. Ruby is young and full of energy, always eager to learn and fight. Cayde - 6 is a witty and experienced Guardian. Their interactions could be really fun, with Cayde - 6 teaching Ruby some of his trick - shooting skills and Ruby showing Cayde - 6 the beauty of her Crescent Rose. Another great pairing would be Weiss and Ikora Rey. Weiss is a highly - trained fighter with a strong sense of discipline, and Ikora Rey is a powerful Warlock with great knowledge. They could share their knowledge of magic - like abilities, Weiss with her Glyphs and Ikora with her Light - based spells. Yang and Zavala could also be an interesting pair. Yang is all about brute strength and a go - getter attitude, while Zavala is a respected leader. Yang could learn about leadership from Zavala while Zavala could admire Yang's tenacity.
Ruby and a Skaven Assassin could be an interesting pairing. Ruby with her speed and scythe skills would be pitted against the sneaky and devious Skaven. It would be a battle of wits and speed. Another great pairing could be Weiss and a High Elf Mage. Weiss's elegance and ice powers could contrast and interact with the Elf's magic. And Yang and a Chaos Space Marine. Yang's brute strength and brawler style against the super - powered and corrupted Chaos Space Marine would make for an intense fight.
The Doom Slayer and Ruby would be an interesting pairing. Ruby is young and full of energy and hope, while the Doom Slayer is a silent, stoic force of destruction against evil. Their interactions could be really cool, like Ruby trying to understand the Doom Slayer's lack of words but seeing his determination and being inspired by it. And the Doom Slayer might see Ruby's potential and unwavering spirit in the face of danger as something similar to his own.
Ben and Ruby would be an interesting pairing. Ruby is young and full of energy, always eager to learn and improve. Ben, with his experience using the Omnitrix, could teach her a lot about adapting to different situations. And Ruby could show Ben the importance of teamwork in her own unique way.
Naruto and Ruby would be an interesting pairing. Naruto's energetic and positive nature would contrast and complement Ruby's own enthusiasm and leadership. They could bond over their shared goal of protecting their respective worlds and learn from each other's combat styles. Ruby could learn about Naruto's Rasengan while Naruto could be intrigued by Crescent Rose.
Ruby and Yu Narukami. Ruby is young and full of energy, always eager to fight for what's right. Yu is a calm and collected leader. Their different personalities would make for an interesting dynamic. Ruby could learn from Yu's more methodical approach to problem - solving, while Yu could be inspired by Ruby's unwavering determination.