One popular Blake Mark RWBY fanfic could be 'Blake and Mark's Adventure in Remnant'. It might involve them going on quests together, facing Grimm and uncovering secrets of the world. Another could be 'Mark's Support for Blake', which focuses on how Mark helps Blake deal with her internal struggles and her role in the fight against Salem.
Adventure is a big theme. They might go on quests together, facing dangerous Grimm or uncovering secrets in the RWBY world. Also, loyalty is a theme. They stand by each other in tough situations, which shows their loyalty to one another.
One common theme is identity. Since Blake is a Faunus and scent marking is a part of her Faunus nature, many fanfictions explore how this trait is related to her sense of self. Another theme is relationships. Her scent mark can influence how others perceive her and interact with her, so it often plays a role in her relationships with Ruby, Weiss, and Yang.
A great Blake x Adam RWBY fanfic is 'Forgotten Promises'. In this fanfic, the author beautifully portrays the initial attraction between Blake and Adam and how it gradually deteriorates due to various factors like Adam's growing extremism. Another one is 'Silent Screams' which is a very intense fanfic. It shows the internal struggle of both characters when they are around each other. Blake is torn between her past feelings and her new understanding of Adam's wrongdoings. 'Tainted Love' is also a notable fanfic. It focuses on the darker aspects of their relationship, highlighting how love can sometimes turn into something toxic when influenced by different beliefs and power struggles.
There are various popular Blake Weiss fanfics. Some might focus on adventure stories where Blake Weiss embarks on exciting quests. For example, there could be a fanfic where he discovers a hidden magical world and has to use his unique skills to survive and solve the mysteries there.
There are quite a few out there. 'Blake's Scent and Her Bonds' is a fanfiction that focuses on how her scent marking affects her relationships with the other characters in RWBY. It shows how her friends and foes might react to this aspect of her Faunus nature. It's an interesting read as it explores the more subtle aspects of Blake's character through this unique concept.
There's 'Mark's Encounter with Blake'. In this fanfiction, Mark stumbles upon Blake in a rather unexpected situation. It's a short but sweet story that focuses on their initial meeting and the immediate connection they seem to share. It's a good read if you like quick, impactful stories.
I'm not sure specifically which ones are the most popular. Fanfics can vary greatly in their plots and themes. Some might focus on a fictional relationship between Blake Shelton's daughter and other characters in a made - up story. However, it's important to note that fanfics are often unofficial works created by fans and may not be based on any real - life situations in a literal sense.
A common plotline is the OC helping Blake with her internal struggles. Blake has a lot of emotional baggage from her time in the White Fang and her experiences with discrimination. The OC could be someone who has also faced hardships and can offer a different perspective. They might go on a journey together, not just physically but also mentally, as Blake tries to come to terms with her past and the OC helps her along the way. In some fanfictions, the OC might also introduce Blake to a new group or culture within the RWBY universe, which then leads to new adventures and story developments.
Yes, there are quite a few. You can start by looking on fanfic websites like Archive of Our Own. There, you'll find various stories that involve Blake and Weiss in relation to pets. Some might have them taking care of a cute little Grimm - like creature as a pet in an alternate universe, while others could be more about their normal lives but with a new pet added into the mix.
I'm not sure of a specific one named 'Blake Mark RWBY fanfic' with a truly unique plot off the top of my head. But a fanfic that could be unique might be one where Mark has a special power that he uses to help Blake in a completely unexpected way. For example, he might be able to communicate with Grimm in a certain sense and use that to their advantage in battles.