Well, a good crossover story idea could be a battle tournament. Ruby and Sasuke are forced to participate in a tournament that has fighters from different universes. Ruby's speed and scythe - wielding skills would be interesting to see against Sasuke's Sharingan - enhanced combat abilities. Also, perhaps a story where Ruby gets lost in Sasuke's world and he has to help her get back home while protecting her from the various threats in his world, like rogue ninjas. Another idea is that they both get cursed by an ancient magic and have to work together to break the curse.
One idea could be that Ruby and Sasuke are brought together in a dimension -rift situation. Ruby's positive and energetic nature could contrast with Sasuke's brooding one. Another could be a training scenario where Sasuke teaches Ruby some of his ninja skills, like chakra control, which she then adapts to her own semblance usage. And a third idea might be a story where they have to team up to fight a common enemy that is causing chaos in both their worlds.
One great 'rwby ruby crossover fanfiction' is 'Ruby in Another World'. It takes Ruby to a different realm filled with new challenges and allies. Another is 'Ruby and the Time Travel Mishap' which has an interesting plot where Ruby gets thrown into different timelines.
One idea could be a story where Ruby and Coco team up for a special mission. Maybe they have to infiltrate an enemy base, and Ruby's speed and Crescent Rose combined with Coco's fashion - inspired weapons and strategic mind make them an unbeatable duo.
There's also a crossover that pairs Ruby Rose with characters from a well - known anime. In this fanfiction, Ruby's weapon skills and her determination really stand out as she teams up with the anime characters to face common enemies. It's exciting to see how the RWBY elements blend with the anime's unique style.
One idea could be a story where Neo and Ruby are forced to team up during a special mission in a mysterious new area. They start off distrusting each other but gradually learn to work together as they face various challenges.
Well, one plot could be that Ruby's mother faked her death and is actually alive in hiding. Ruby discovers some clues that lead her to believe this and goes on a journey to find her mother. Along the way, she has to face various challenges and enemies who are also after her mother for their own reasons.
One idea could be a story where Ruby and Scarlet team up to face a new, powerful Grimm that has unique abilities. Maybe it can manipulate time, adding an interesting twist to their battles.
In some 'rwby dark ruby fanfiction', there might be the idea of Ruby being corrupted by an ancient evil force. This could lead to her having to fight against her own nature as she is slowly turned into something she hates. It can also show how her friends try to save her from this dark path, which makes for a really engaging story.
Another idea is a time - travel fanfic. Cinder travels back in time and meets a younger Ruby. She could try to manipulate Ruby into following a different path, but Ruby's strong will and sense of justice might resist. This would create a lot of conflict and interesting character dynamics as Cinder tries to change the future and Ruby tries to protect it.
One interesting idea could be a crossover of different timelines within RWBY. For example, characters from the past meet the current ones and have to deal with the differences in their worlds. Another could be a crossover of different teams in unexpected ways, like Team RWBY having to team up with a rival team to face a common enemy that is more powerful than any they've faced before. And sometimes, there are crossovers that involve alternate versions of the characters, where their personalities or abilities are slightly different, which can lead to very unique and engaging storylines.
One great 'Sasuke crossover RWBY' fanfiction is 'Sasuke in Remnant' on FanFiction.net. It has an interesting plot where Sasuke's skills and personality are well - incorporated into the RWBY universe. The battles he gets into with Grimm and his interactions with the RWBY characters are really engaging.