What could be the plot of a 'harry potter is a grimm rwby fanfiction'?

Well, it could be that Naruto somehow gets transported to the RWBY universe and has to deal with the Grimm. Maybe he uses his ninja skills to fight them off. For example, his shadow clone jutsu could be used to confuse the Grimm while he attacks from another angle.

One interesting plot could be that the characters from Harry Potter accidentally find themselves in the Grimm's fairy - tale world. Harry, Hermione, and Ron could encounter classic Grimm characters like the Big Bad Wolf or Cinderella. They might have to use their magic to solve the problems in this new world, such as helping Cinderella without using magic that would violate the Grimm world's rules. And they could also learn some new magic or skills from the Grimm world that they can bring back to their own world.

One possible plot could be that Harry Potter, after some sort of magical accident or portal opening, ends up in the world of RWBY. The RWBY characters, perhaps Ruby herself, find him as a baby or young child and decide to raise him. Harry would grow up learning about the Grimm and Huntsmen, while also having his own magical abilities. This could lead to some interesting combinations in combat, like using magic along with a weapon like Crescent Rose.

Well, one possible plot could be that Harry, as a werewolf, somehow gets transported to the RWBY world. He has to hide his werewolf identity at first, but as he gets involved in the battles against the Grimm, his werewolf powers start to become an advantage. He might form an alliance with some of the RWBY characters who initially fear him but later come to understand and accept him.

One possible plot could be Ruby initially trying to hide her Grimm part from her friends. As she struggles with newfound abilities and instincts, she has to constantly fight the urge to give in to the Grimm side. Meanwhile, a powerful enemy emerges that she might be uniquely suited to defeat because of her Grimm part, but she has to first come to terms with it herself.

Well, it could be about Ruby struggling to hide her true nature as a Grimm Faunus while still being a Huntress. Maybe she has to deal with the prejudice from others who fear Grimm Faunus.

Well, perhaps Harry Potter, using his magic, accidentally creates the world of Remnant from RWBY. He might then have to deal with the new and strange creatures and powers there, while also trying to find a way to get back to his own world.

A possible plot is that there is a prophecy about a special Grimm that only Pyrrha, Weiss and William can defeat. The Grimm has been causing chaos across Remnant. Pyrrha is seen as the strong warrior, Weiss as the intelligent strategist, and William as the wildcard with some unknown abilities. They journey together to find this Grimm. Along the way, they learn more about each other and their own powers. When they finally face the Grimm, they have to put all their skills and trust in each other to win. This journey could also involve them meeting other characters from RWBY, getting help or facing additional challenges from them.

Another plot could be that the Grimm mask was once a part of an ancient weapon or a powerful relic. Ruby discovers it and realizes that it has a connection to the origin of Grimm. As she delves deeper into the mystery of the mask, she uncovers long - forgotten knowledge about the creation of Grimm and how to potentially stop them for good.

Maybe the OC is a Grimm researcher who is specifically interested in Dragon Grimm. They go on an expedition to find a rare type of Dragon Grimm. Along the way, they encounter a group of Huntsmen and Huntresses who initially suspect the OC of being a threat. But as they face challenges together, they start to trust each other. The OC's knowledge about Dragon Grimm helps them all survive various attacks from other Grimm.