Grimlock's abilities are very physical and brute - force based. In the RWBY universe where there are a variety of Semblances and Dust - based powers, his raw power would stand out. His durability would allow him to withstand attacks from powerful Grimm. And his combat skills, which are more instinctual, could be an interesting contrast to the more refined fighting styles of the RWBY characters. He could also potentially use some RWBY - specific elements like Dust to enhance his already powerful attacks.
In a 'noctis in rwby fanfiction', Noctis' ability to use magic, like his elemental attacks, would be a significant factor. In the RWBY world, magic is a somewhat mysterious and not - fully - explored aspect. Noctis could introduce new forms of elemental combat. His fire - based attacks could be used to counter ice - type Grimm, and his lightning attacks could stun enemies, allowing his RWBY allies to deliver finishing blows. Also, his ability to enhance his physical abilities with magic, such as increased strength or speed, would make him a formidable ally in battles against the powerful Grimm and any human adversaries that might arise.
Naruto's abilities would bring a whole new dynamic to the Highschool DxD universe. His ability to use chakra to walk on walls and water could give him an advantage in certain terrains or situations. In battles, his ability to sense chakra could help him detect hidden enemies. Also, his summoning jutsu could call upon powerful creatures from the Naruto universe. If these creatures were introduced into the Highschool DxD world, they could change the balance of power. And his various transformation jutsu could be used for disguise or to gain temporary boosts in power.
Naruto's Shadow Clone Jutsu would be a great asset. He could send out clones to gather intelligence or engage in multiple battles at once. His Rasengan could be a powerful offensive weapon against the droids or Sith. And his ability to sense chakra could potentially help him detect hidden enemies or sense the Force - users in a different way.
Well, Naruto's Nine - Tails chakra could be a real game - changer. It's an incredibly powerful force. In the Harry Potter universe, it could be something like a super - powerful dark magic, but Naruto has control over it. So he could use it to protect Hogwarts from threats. His ability to transform when using the Nine - Tails chakra might also be a new and strange concept to the wizards and witches.
Naruto's ability to use chakra could be seen as a parallel to the Force in the Clone Wars universe. His ninjutsu skills like the Rasengan could be a unique combat technique that would surprise the Jedi and Sith alike. For example, he could use it to break through force fields or defenses that are common in the Clone Wars.
In a fanfiction, Albedo could use his skills to enhance or modify existing magical items. He could analyze the structure of a magic wand, for instance, and find ways to improve its power or add new functions. His understanding of the elements and their combinations could also give him an edge in dealing with magical creatures. He might be able to create substances that can either calm or control them, which could be very useful in the wizarding world where dealing with dangerous creatures is a common task.
Kaneki Ken could fit in as an outsider with a dark past, much like some RWBY characters. His struggle with his dual nature as a human - ghoul could parallel the internal conflicts of RWBY characters dealing with their own powers and identities. For example, Ruby's journey to understand her silver - eyed warrior powers.
Naruto's abilities would be quite a novelty in the Noblesse universe. His chakra, for instance, is a different form of energy compared to what's in Noblesse. His shadow clone jutsu could be used for various purposes like scouting or overwhelming opponents in battles. His Rasengan could be a powerful attack against Noblesse enemies. And his ability to tap into the Nine - Tails' chakra would make him extremely powerful, perhaps even on a level that would rival some of the strongest Noblesse characters.
Sakura's intelligence and quick learning ability would also play a role. She could quickly adapt to the rules of magic and learn spells. And her ability to analyze situations, which she developed in the Naruto world, would help in solving mysteries and dealing with the various challenges that Hogwarts and the wizarding world present. For instance, when trying to figure out the mystery behind a cursed object, she could use her deductive skills to piece together the clues.
Shirou Emiya's abilities would have an interesting adaptation in the Fairy Tail universe. His tracing magic could be related to the concept of analyzing and replicating magic in Fairy Tail. He might be able to study the magical auras of different spells and then create his own versions. His Reality Marble, Unlimited Blade Works, could be a very high - level form of spatial magic in the Fairy Tail context. It could be seen as a pocket dimension where he stores all the weapons he can project. In battles, he could use this ability to surprise his opponents. For example, he could suddenly pull out a large number of weapons from his Reality Marble during a fight, much like how some Fairy Tail wizards can summon multiple magical items or creatures. Also, his skills in swordsmanship would be highly valued in a world where melee combat is also an important part of magic battles.