I think Atreus and Yang would make an interesting pair. Yang is all about strength and power, and Atreus has his own set of skills and a growing power. They could have some friendly competitions in combat and also learn from each other. Yang could teach Atreus about the importance of family and friends, while Atreus could show Yang some of his archery skills.
Blake and Mimir would be an unexpected but interesting pairing. Mimir is full of knowledge and stories, and Blake is a curious and intelligent character. Mimir could tell Blake about the history and mythology of the God of War world, and Blake could share with him the complex social and political situations in Remnant.
Definitely Marcus Fenix and Kratos. Marcus is a tough and strategic military leader, while Kratos is a powerful and vengeful demigod. Their interactions would be intense. Marcus could learn a lot from Kratos' raw power, and Kratos might be interested in Marcus' military tactics.
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.
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.
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.
Ruby and Kirby would be an interesting pairing. Ruby is fast and has her scythe skills, while Kirby has his unique powers. They could both be the impulsive and eager ones in the group, always ready to jump into action. Ruby could be amazed by Kirby's ability to copy powers, and Kirby could be intrigued by Ruby's Crescent Rose.
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.