A possible crossover would involve Merlin's struggle with the dark forces in Middle - earth. He is used to fighting against Morgana and her minions in Camelot, but in Middle - earth, the enemies are Sauron and his armies. His skills in magic and strategy would be put to the test. He could also form an alliance with Aragorn, sharing his knowledge of leadership and magic to help Aragorn in his quest to become king.
Merlin and Frodo could have an interesting interaction. Frodo, burdened with the One Ring, might seek Merlin's advice on how to resist its power. Merlin, having dealt with dark magic before, could offer some insights.
The plot could involve Naruto characters in the Middle - earth. Maybe Naruto with his shadow clone jutsu could be used in battles against orcs. For example, he could send a horde of clones to confuse the enemy. And Sasuke with his Sharingan might be able to detect the hidden threats in the dark forests of Middle - earth. It would be a really interesting mix of the two universes' combat styles and magic systems.
The Thu'um of the Dragonborn could be seen as a very powerful form of magic in Middle - earth. It might be on par with the most powerful spells of the wizards there. The stealth abilities of characters like Bilbo or Legolas could be enhanced in Skyrim with the use of Skyrim's unique stealth mechanics. And the strength of characters like Aragorn could be combined with the combat skills of the Nords in Skyrim.
In this crossover fanfiction, Dracula might be a lord in Middle - earth. He rules over a land that is feared by all, but he is intrigued by the power of the One Ring. He sends his minions to find it, but they cross paths with Frodo and his companions. This leads to a series of battles and negotiations. Dracula could be tempted by the power of the Ring, but also realizes that it could bring about his own downfall if he were to claim it.
In fanfiction, Hermione could find herself in a situation where she has to deal with the One Ring. Given her strong will, she might be able to resist its power for a longer time than most. However, she would also be aware of the danger it poses and try to find a way to destroy it, perhaps using a combination of her magic and the knowledge of the lore in Middle - earth.
Well, consider Naruto's relationship with Gandalf. Gandalf would be intrigued by Naruto's chakra and his ability to perform what seems like magic without a staff or a spell book. Naruto, on the other hand, would look up to Gandalf as a wise and powerful figure. The Uchiha clan members, like Sasuke, might find kinship with the elves due to their refined skills and long - lived nature. And the interactions between the Naruto characters and the dwarves could be full of banter, as the dwarves would be amused by the strange abilities of the ninjas.
One common theme is the clash of different cultures. For example, when Middle - earth characters meet those from other fictional worlds, there are often misunderstandings at first due to different values and ways of life.
A really cool 'Lord of the Rings' crossover fanfiction is when it crosses with the DC Universe. Superman or Wonder Woman in Middle - earth would be quite a sight. They could use their powers to fight the forces of Sauron. This kind of crossover often explores how the extraordinary powers from the DC side would impact the more medieval - style world of 'Lord of the Rings'.
A crossover story could be really exciting. In this kind of fanfiction, we might see the Survey Corps from Attack on Titan having to deal with the ghouls from Tokyo Ghoul. Maybe Eren and his friends would be confused at first about these new, strange creatures that are part human, part something else. They could initially mistake the ghouls for Titans. And the ghouls, on the other hand, would be equally shocked by the Titans and the advanced technology the Attack on Titan characters use. It would be a clash of two very different but equally dark and violent worlds.
A crossover storyline could involve Naruto's world being invaded by goblins. Naruto and his friends would have to use their ninja skills to fight the goblins. For example, Naruto could use his shadow clones to overwhelm the goblins while Sasuke uses his Sharingan to predict their moves. The Goblin Slayer could then arrive in the Naruto world, perhaps through a strange portal. He would be shocked by the new types of enemies but would quickly adapt his goblin - slaying techniques. Together, they would form an unlikely alliance to take on the goblin threat and protect both worlds.