To write a good vampire Lord of the Rings crossover fanfiction, you need to focus on character development. If you're introducing a vampire lord, make him a complex character. Give him motives that are more than just 'I want to rule the world'. Maybe he has a tragic past that led him to his current state. Also, make sure the language you use fits the tone of both worlds. The Lord of the Rings has a very specific, almost archaic style of speaking in places, and your vampire characters should also have a voice that is consistent with their nature. And don't forget about the pacing. You don't want to rush the story, especially when it comes to the big moments like battles or revelations about the ring.
One idea could be a vampire character who is drawn to the power of the One Ring. Maybe this vampire, being a creature of the night and often associated with darkness and power -hunger, sees the ring as a means to gain ultimate power in Middle - earth. For characters, you could have a half - vampire, half - elf who struggles with their dual nature while being caught in the events related to the ring.
Create an engaging plot that combines elements from both. Maybe have Geralt on a quest to find a lost artifact in Middle - earth that has some connection to his own world. This way, you can bring in the unique elements of both universes. Also, don't be afraid to let the characters grow and change as they interact with the new environment and characters from the other universe.
When creating the plot, find a good balance between the two worlds. Don't make it too Percy - Jackson - centric or too LOTR - centric. Maybe start with a problem that can only be solved by the combined efforts of characters from both series, like a new threat that needs demigod and LOTR hero powers to defeat.
First, do your research on the lore of Middle - earth. Know how dragons are typically portrayed in Tolkien's works. For example, Smaug was a very greedy and powerful dragon. Then, create a unique backstory for your original character (OC) dragon. What made it different from other dragons? Maybe it has a different origin or a special power.
One interesting 'Lord of the Rings crossover vampire fanfic' could be 'The Blood - Ring Alliance'. In this fic, the vampires are from a different realm and find themselves in Middle - earth during the events of 'Lord of the Rings'. They initially try to stay out of the main conflict but end up getting involved in unexpected ways. It has some great character development for both the LOTR characters and the vampires.
First, you need to know both universes well. Read the books of 'Lord of the Rings' and watch the 'Avengers' movies multiple times. Then, think of an interesting concept for the crossover. For example, a magical object from Middle - earth getting into the hands of an Avenger. Next, focus on the characters. Make sure their personalities are consistent with their original versions. Don't just throw them together randomly.
One way it could work is by having Naruto characters in Middle - earth. For example, Naruto with his shadow clone jutsu could be a great asset in the battles against Sauron's forces. He could create clones to confuse the orcs and trolls. Meanwhile, characters from 'Lord of the Rings' could learn from Naruto's ninja skills. Frodo might pick up some stealth techniques from Naruto's training.
First, you need to have a solid understanding of the LOTR lore. Read the books, watch the movies. Then, come up with an original idea. For example, you could focus on a side character's adventure during the main events of the War of the Ring. Decide on the animation style in your mind, whether it's a more cartoonish or a more realistic - looking one.
Well, often there's the element of the vampires being outsiders in Middle - earth. They usually have their own powers and motives that are different from the normal LOTR characters. For example, they might be interested in the power of the One Ring for their own reasons, like using it to enhance their vampiric abilities or gain more control over other beings.
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.