Can you recommend some good rwby crossover fanfic?

Sure. 'RWBY x Naruto: A Shinobi in Remnant' is an interesting one. It combines the unique world of RWBY with the ninja elements of Naruto. Another great one could be 'RWBY x Harry Potter: Magic in Remnant' which blends the magic from Harry Potter into the RWBY universe.

Sure. One popular 'Destiny RWBY Crossover Fanfic' is 'Guardians in Remnant'. It combines the unique weaponry and powers from Destiny with the vibrant world of RWBY in an exciting way. The characters from both universes interact in really interesting plotlines.

One popular 'sasuke crossover rwby fanfic' is 'Sasuke in Remnant'. It has an interesting plot where Sasuke's skills and personality are pitted against the unique challenges of the RWBY world. Another is 'Sasuke and the Huntresses' which focuses on his interactions with the main RWBY characters.

One popular 'transformers rwby crossover fanfic' is 'RWBY x Transformers: Remnant's Guardians'. It combines the unique worlds of RWBY and Transformers in an exciting way, with the characters from both universes interacting and facing common threats. Another great one might be 'Transformers in Remnant', which often focuses on how the Transformers would adapt to the RWBY world's rules and magic systems.

One idea could be a RWBY and Harry Potter crossover. Imagine the RWBY characters attending Hogwarts, with Ruby being fascinated by the magic there. Another could be a crossover with Naruto. Yang could have some interesting battles with the ninja, sharing her combat skills. And a RWBY and Avatar: The Last Airbender crossover would also be cool, where Weiss could learn about bending.

Another great one is 'One Piece Meets RWBY: A Grand Adventure'. In this fanfic, the Devil Fruits from One Piece add a new layer of complexity to the battles in the RWBY world. It's really exciting to see how the characters from both series adapt to each other's presence and use their combined powers to overcome difficulties. For example, Luffy's rubber abilities combined with Ruby's speed make for some really cool fight scenes.

One popular 'rwby x fairy fencer f crossover fanfic' could be 'The Crossover of Worlds'. It combines the unique elements of both RWBY and Fairy Fencer F in an interesting way. The story might start with a strange rift opening between the two universes, and characters from both sides have to deal with the chaos that ensues. They might discover new powers and form unexpected alliances.

One popular 'Power Ranger RWBY Crossover Fanfic' that I've heard about has an interesting plot where the Power Rangers end up in the RWBY world and have to team up with the RWBY characters to fight a common enemy. The fanfic does a great job of combining the different fighting styles and powers of both groups. It also explores how the different characters from each series interact and form relationships. You might find it by searching for key words like 'Power Rangers in RWBY world' on the major fanfic platforms.

One great Percy Jackson RWBY crossover fanfic is 'Percy in Remnant'. It has an interesting plot where Percy somehow ends up in the RWBY world and has to navigate its unique challenges while still having his demigod powers. The story does a good job of blending the two universes' elements.

One key element is how well the two universes are blended. For example, if it's a RWBY and Marvel crossover, the powers and personalities of the Marvel characters should fit well into the RWBY setting. Another is the plot. It should be engaging and not just a simple mash - up. For instance, a good plot could involve a common threat that both universes need to face together.