Well, one interesting concept could be the combination of the Assassin's Creed stealth and combat mechanics with RWBY's unique fighting styles. For example, characters might use Assassin's Creed's parkour abilities to navigate the RWBY world in really cool ways. Another concept could be the idea of the Assassins and Templars being involved in the RWBY story's overarching conflict, perhaps having different goals regarding the Dust or the Grimm. And also, the use of the Animus in the RWBY setting could lead to some really interesting plotlines, like exploring the memories of past characters from either universe.
One cool concept in 'Assassin's Creed RWBY fanfiction' is the blending of the two worlds' mythologies. The Assassin's Creed series has a rich history involving the Pieces of Eden and ancient civilizations. RWBY has its own lore about the Four Maidens and the origin of the Grimm. Merging these mythologies could lead to some epic storylines. Maybe the Pieces of Eden have some connection to the power of the Four Maidens, or perhaps they can be used to control the Grimm in some way. This kind of concept can open up a whole new world of possibilities for the fanfiction.
One interesting concept could be the combination of Assassin's Creed's stealth and parkour elements with RWBY's unique combat styles. For example, a character might use Assassin's Creed - like hidden blades in RWBY battles. Another concept could be the exploration of different kingdoms in RWBY through the eyes of an Assassin's Creed - style protagonist, uncovering secrets and mysteries. Also, the idea of an Assassin's Creed character getting involved in the Grimm - fighting in RWBY's world is quite fascinating.
One interesting concept could be ninjas using the Assassin's Creed parkour skills. They would be able to move through the Hidden Villages in a really cool and acrobatic way, much like how assassins move through cities in the game. Another concept could be the idea of the Sharingan being related to the Eagle Vision in Assassin's Creed. It could give the Naruto characters an enhanced perception of their surroundings and the ability to detect enemies or hidden paths more easily.
One interesting concept could be the combination of magic from Harry Potter and the stealthy combat skills from Assassin's Creed. For example, a wizard using the invisibility cloak in a way similar to how an assassin uses stealth. It could also involve characters from both universes teaming up to face a common threat, like a dark wizard who has also become involved with the Templars in Assassin's Creed. Another concept might be the use of Hogwarts as a kind of Assassin stronghold, with students learning both magic and assassin - like skills.
One interesting element is the combination of different combat styles. Altair's assassin skills from Assassin's Creed and the unique fighting styles in RWBY can create really exciting battle scenes in the fanfic.
Ruby would likely be enthusiastic. The Assassin's Creed fanfiction might remind her of her own quests in Remnant. She'd be eager to share her thoughts on the different assassins and their abilities. Weiss would look at it from an academic perspective, perhaps commenting on the use of language and the overall structure of the story. Blake may draw connections between the hidden blades of the assassins and her own weapon. Yang would enjoy the more intense fight scenes and might even wish she could participate in those battles.
One interesting crossover could be the characters from RWBY using the Assassin's Creed parkour skills. Ruby, with her speed, could be an amazing assassin, running across rooftops in Vale like an Assassin. Another could be the introduction of the Pieces of Eden into the RWBY world, causing chaos as different factions fight over their power.
Ruby would be thrilled. She loves exploring new worlds and the Assassin's Creed universe offers that. She'd be excited to learn about the different assassin orders and their techniques. Weiss would approach it with a discerning eye. She'd look for the quality of the writing, the development of the characters. Blake would find the Assassin's Creed fanfiction interesting as it may touch on themes of secrecy and mystery which she can relate to. Yang would be all about the action. The fight scenes in the fanfiction would be her favorite part, and she'd be rooting for the assassins.
One of the most interesting crossovers could be the combination of RWBY's unique combat styles with Assassin's Creed 4's stealth and parkour elements. For example, Ruby's scythe - wielding skills could be adapted to the pirate - themed world of Assassin's Creed 4. She could use her speed and acrobatics to traverse the ship masts and islands in a similar way to how Assassins move in the game.
Ruby Rose is often a popular character in such fanfictions. Her natural leadership and combat skills from RWBY can be combined with Assassin's Creed elements in interesting ways. Another one could be Ezio Auditore if he's somehow brought into the RWBY universe. His charm and assassin abilities would make for some exciting storylines. Also, Blake Belladonna, with her stealthy nature in RWBY, can easily be paired with Assassin's Creed - style stealth concepts.
Ruby Rose is often a popular character in Assassin's Creed RWBY fanfiction. Her leadership and combat skills make her a natural fit for Assassin - like adventures. Another popular one could be Ezio from Assassin's Creed. Fans love to imagine him in RWBY's world, using his assassin skills. Blake Belladonna is also popular as her stealthy nature can be easily incorporated into Assassin's Creed - style stories.