It could be written by amateur writers just starting out in the RWBY fanfic world who see commissions as a way to gain experience and make a bit of money or get some recognition. There might also be more experienced writers who do it for the fun of exploring different ideas within the RWBY universe that they might not have thought of on their own. And sometimes, a group of RWBY fans might collaborate on a commissioned fanfic, each bringing their own strengths to the writing process.
There's no way to know for sure who wrote 'the commission RWBY fanfic' without more information. It could be an amateur writer who took on a commission from a RWBY fan.
Since it's a 'commission RWBY fanfiction', it probably has elements that are specifically tailored to the person who commissioned it. It could be a romantic story between two RWBY characters that the commissioner is a big fan of. Or it could be a story that delves deep into the backstory of a character that was not fully explored in the original RWBY series. It might also involve a crossover with another fandom if that was part of the commission request, like RWBY characters interacting with characters from another anime or game.
It's hard to say who writes the best as it depends on personal taste. Some people might prefer the work of authors who focus on action - packed stories with Remy Lebeau in the RWBY universe. These authors might be really good at writing fight scenes and making Remy's abilities shine in combat situations.
Well, since it's a commission RWBY fanfic, it could be a story that was specifically requested by a fan. It could have a different take on the existing RWBY plot. For example, it might change the way the teams interact. It could introduce new villains or allies that are not in the original series. Or perhaps it focuses on a side character and gives them a more prominent role, delving into their backstory and their potential in the RWBY world.
Commission fanfiction is fan - made fiction that is created based on a commission. Essentially, someone pays an author or writer to create a story within a particular fan - based universe. For example, in a popular sci - fi fandom, a fan might commission a writer to create a story about two beloved characters getting married. It allows fans to get customized stories that fit their specific desires within the world of their favorite fandoms.
Fans of the character Carl usually write Carl fanfiction. They are often people who are really into the story that Carl is from and want to create their own versions of his story.
Fans of Onew write onew fanfiction. They are often people who are really into Onew as an artist, and they use their writing skills to create fictional stories about him.
There could be many different fans who write it. It might be an amateur writer who just loves Naruto and wanted to explore this unique scenario.
It could be written by fans who are really interested in the concept of 'old crow'. Maybe people who have a passion for the original source (if there is one) that the 'old crow' is related to.
Fans of Robert Pattinson and Kristen Stewart write robsten baby fanfiction. These are often fans who were really into their relationship on - and off - screen and like to imagine different scenarios involving a baby in their relationship.