One idea could be that Alucard finds himself in a different realm or time period in the crossover. He could team up with characters from the other universe to fight a common evil that threatens both their worlds. For example, facing a powerful demon that has the ability to corrupt both the Castlevania world and the world he's crossed into.
Maybe in the fanfiction, Alucard's powers could be affected by the new environment of the crossover. He might have to learn to control them in a different way or discover new powers. He could meet a character who has a deep understanding of magic in the other world and they could exchange knowledge, which would lead to some really interesting character development for Alucard.
A great plot could involve Alucard being mistaken for an enemy in the new world at first. As he tries to prove his good intentions, he uncovers a conspiracy within that world. The conspiracy could be related to a powerful artifact that has the potential to destroy both worlds. Alucard then has to convince the locals to work with him to stop the villains behind the conspiracy.
An interesting plot could involve a crossover with a superhero. Imagine if a superhero like Batman was somehow transported into the Castlevania Lords of Shadow world. He would have to rely on his wits, detective skills, and gadgets in a world full of supernatural threats. He could team up with the Castlevania hero to take on the powerful lords and vampires. His non - superhuman abilities would provide a different perspective compared to the magic - based combat in Castlevania, and his moral code could also influence the way the story unfolds in this dark and often morally ambiguous world.
Well, a great concept for a Castlevania Dracula crossover fanfiction is to create a scenario where Dracula is reborn in a modern - day version of the Castlevania setting. Picture him having to adapt to new technology while still maintaining his old - world powers and thirst for blood. He could be both intrigued and frustrated by things like cell phones and cars. Also, you could have a plot where a descendant of the Belmont family has to face this new - age Dracula in a battle that combines both ancient and modern combat techniques.
A character like Dante from the Devil May Cry series could be an excellent crossover. They both have demon - slaying abilities and a complex relationship with their demonic heritage. Their interaction could be full of banter and epic battles against common foes.
One idea could be exploring the backstory of a minor character in the game. For example, a sidekick of the main protagonist who has their own motives and secrets that tie into the overall lore of the Castlevania Lords of Shadow universe.
A really interesting plot could be that a powerful spell binds Alucard and Anderson's powers together. They can't use their full abilities separately but when they work in harmony, they are unstoppable. This forces them to work together and they end up forming an unlikely friendship as they face various foes.
One idea could be that Pip, with his unwavering courage, helps Alucard face an ancient evil that even Alucard is hesitant about. Maybe they discover a new form of magic together during their adventure.
One plot idea could be Alucard and Seras going on a mission together in a modern city filled with new types of supernatural threats. They have to use their combined powers to take down an ancient evil that has been awakened. Another could be a story where Seras struggles with her human emotions while Alucard tries to teach her how to better control her vampiric nature. It could also be interesting to see a story where they are transported to an alternate universe and have to find their way back while facing different versions of themselves.
Another plot could be about how their relationship changes during the pregnancy. Seras might become more vulnerable and rely on Alucard more, while Alucard has to learn to be more gentle and caring. For example, he might start to show a side of himself that he has kept hidden for a long time.
One idea could be that the OC is a powerful witch who has been sent to stop Dracula from his dark plans. She initially tries to fight him but then discovers there's more to his actions than pure evil. Maybe he's trying to save his kind from extinction in a way that seems wrong but has good intentions at its core.
One idea could be that Naruto characters are transported to the Castlevania world. Naruto, with his high energy and determination, could take on the role of a fearless vampire hunter. He might use his shadow clones to outwit the undead hordes. Sasuke could be a lone wolf type character in this new world, his Sharingan helping him detect hidden traps and enemies. Sakura could use her medical skills to heal those affected by dark magic in the Castlevania realm.