Another theme is the power of teamwork. Since they are both part of a team in RWBY, fanfics may focus on how Ruby and Blake work together in combat or in solving problems. Their different skills and personalities complement each other, and this makes for interesting stories that highlight their synergy.
You can try looking on fanfiction websites such as Archive of Our Own (AO3). It has a large collection of fanfics from various fandoms, and there's a good chance you'll find some great ruby x blake fanfic there.
A common theme could be adventure. Since it involves a thief, there might be exciting heists and escapades. Another theme could be redemption, where the thief character has to face their past actions and make amends.
One great 'rwby ruby x weiss x blake fanfiction' is 'The Unlikely Bond'. It beautifully explores their relationships. The way the author portrays Ruby's enthusiasm, Weiss's determination, and Blake's mystery is really engaging. It has some really cool action scenes that involve all three of them working together, and the dialogue is on point, making it feel like it could be an actual RWBY episode.
Well, I don't have a specific list of 'Blake Ruby Thief' fanfic at hand. But you could also try checking out some fan communities on social media platforms. People might share their favorite fanfics or even write their own. You can join relevant groups and ask for recommendations there.
It's popular because the relationship between Ruby and Blake has a lot of potential for interesting stories. Their different personalities make the idea of Ruby secretly loving Blake full of intrigue.
One common theme is friendship evolving into something more. Given their adventures together in RWBY, many fanfictions explore how their bond deepens romantically. Another theme could be the acceptance of differences, as Blake is a Faunus. They might face challenges related to that in the fan - written stories.
Archive of Our Own (AO3) is a great place to find 'rwby ruby x weiss x blake fanfiction'. It has a large and diverse collection of RWBY - related fanfictions. You can simply search for the specific relationship in the search bar and get a whole list of stories.
A fanfiction could be written about a school project in Volume 1 that Ruby and Blake are paired up for. At first, they struggle to work together because of their different personalities. But as they research and present their project, they find common ground and start to see each other in a new light, leading to a closer relationship.
Fanfiction.net is also a great place to start. There are likely many stories about Faunus Ruby and Blake there. However, the quality can vary, so you may need to read through a few to find the ones that you really like. You can filter the search results based on things like rating and genre to narrow down your options.