One great Weiss twin fanfiction is 'The Twin Bond'. It delves into the relationship between Weiss and her twin in a very emotional way. The author does an amazing job of exploring how they interact, their shared past, and how they face challenges together. It also has some really cool fight scenes that are well - written and fit into the RWBY universe.
I really liked 'Weiss and Her Twin: A New Adventure'. In this fanfiction, the twin is given a unique personality that complements Weiss's. They go on a journey outside of Beacon Academy and encounter new Grimm and characters. It's a great read if you want to see the Weiss - twin dynamic explored in different settings.
There's also 'Twin Weiss: The Hidden Power'. This one focuses on a special power that the twin has, which is linked to Weiss's own abilities. It's a bit of a mystery - centered story, with the two sisters trying to figure out the origin and full extent of this power. The plot twists keep you on your toes throughout the story.
First, you need to really understand Weiss's character. Know her strengths, weaknesses, and her backstory in the RWBY world. Then, when creating the twin, make sure they have distinct but related characteristics. For example, if Weiss is more reserved, the twin could be more outgoing but still share the same sense of justice. Also, have a clear plot that involves both of them, like a shared quest or a mystery to solve.
I really like 'Weiss and the Faunus Bond'. In this fanfiction, Weiss discovers the unique aspects of Faunus culture through her interactions. It shows her growth as a character as she overcomes her initial prejudices. It also has some great action scenes intertwined with the emotional development.
One idea could be that the twin sister has a different combat style. For example, while Weiss uses her Glyphs mainly for ice attacks and movement, the twin sister could use Glyphs for illusions. Maybe she was separated from Weiss at a young age due to some family drama or a Grimm attack. As the story progresses, they cross paths during a major battle against Salem's forces and initially don't recognize each other. But then, through some shared memories or a family heirloom, they figure out their relation and team up to defeat the common enemy.
One popular RWBY male Weiss fanfic is 'A Different Schnee'. It offers a unique take on Weiss's character if he were male, exploring different relationships and story arcs within the RWBY universe.
She would definitely have an impact on Weiss's relationship with Ruby. Ruby would be curious about the new addition and might try to befriend the twin sister. This could cause some jealousy in Weiss at first as she feels Ruby's attention is being divided. But over time, they would all form a stronger bond. With Blake and Yang, the twin sister could bring new perspectives. For example, she might have different views on the Faunus situation which could either create some tension or lead to better understanding among them.
One great RWBY Ruby and Weiss date fanfiction is 'A Special Day'. It beautifully captures their personalities as they explore a new part of Vale together. The author does a wonderful job of showing Ruby's excitement and Weiss's more reserved yet endearing nature during their date.
I really liked 'A Path of Redemption'. In this fanfic, the White Fang OC has a complex past with the organization and Weiss is initially very distrustful. But as the story progresses, their interactions are really interesting and it's well - written.
I really like 'Weiss' Time Loop'. The story puts Weiss in a time loop where she keeps repeating a certain period of time. It's a unique take on time travel and the author does a great job of exploring Weiss' character as she tries to figure out how to break the loop. There are also some cool interactions with other RWBY characters.
I'm not sure if there is such specific fanfiction readily available. Fanfiction varies greatly, and while there may be a large body of RWBY fanfiction, this particular theme might be quite rare or not exist at all. It also depends on the various fanfiction platforms and their content policies.
One interesting fanfiction could be 'The Twin's Tale'. It explores how Ruby's twin sister might impact the story's dynamics. The sister could have a different combat style, like focusing more on long - range attacks while Ruby is close - combat oriented.