One interesting plot idea is Izuku inheriting some of Dante's powers. For example, he could gain the ability to use Devil Arms and his combat skills could be enhanced in a unique way. Another could be Izuku getting involved in the demon - hunting world of Devil May Cry while still trying to be a hero in his own world. It would be a cool mix of the two universes.
There could be a plot where Izuku discovers that he has some hidden demonic heritage related to the Devil May Cry lore. This would cause an internal struggle within him as he tries to balance his heroic ideals with this new, darker side of himself. And then there's the idea of Izuku teaming up with the characters from Devil May Cry to solve a mystery that spans both universes, like a powerful artifact that is causing chaos in both worlds.
One idea could be a story where Dante discovers a hidden demonic realm within the human world that has been influencing events without his knowledge. He has to team up with a new, inexperienced hunter to navigate this strange place.
One idea could be that Pennywise from 'it' somehow enters the world of 'Devil May Cry'. Dante could mistake Pennywise for a particularly grotesque demon and engage in a battle. Pennywise, with his shape - shifting abilities, would constantly change forms to try and deceive Dante. Another plot could involve the characters from 'Devil May Cry' being lured into Derry by Pennywise's illusions. They then have to fight their way out while also dealing with the psychological warfare that Pennywise is known for.
One idea could be that the characters from RWBY end up in the Devil May Cry world and have to team up with Dante to fight off a new type of demon that is attracted to the unique Aura energy of the RWBY characters. Another could be a crossover where Nero and Ruby exchange their weapons for a short time and learn from each other's fighting styles. Maybe Yang could also have a friendly sparring match with Vergil to compare their strength and swordsmanship skills.
One plot idea could be a crossover where the characters from RWBY have to team up with Dante from Devil May Cry to fight a powerful demon that has somehow made its way into the RWBY universe. This would bring in Dante's combat skills and his devilish powers to the mix.
One idea could be an OC who is a descendant of a powerful demon slayer family. They come to the world of Devil May Cry with unique weapons and skills, and have to team up with Dante and the gang to face a new, super - powerful demon threat. Their family's secrets and ancient techniques add new twists to the story.
Perhaps a plot twist where one of the main Avengers, like Captain America, is actually a reincarnation of a hero from the Devil May Cry world. This would bring in a whole new backstory for him. He would start to show abilities related to Devil May Cry, like being able to sense demons or having enhanced sword - fighting skills. It would also create a conflict within him as he tries to balance his newfound identity with his role as an Avenger.
One idea could be Dante from Devil May Cry being summoned to the world of Devilman by Akira. Akira could seek Dante's help to fight against a new type of devil that is beyond his capabilities. Dante, with his arsenal of weapons and devil - slaying skills, would then team up with Akira in his devilman form to take on this new threat.
A plot could revolve around a new enemy that threatens both the world of How to Train Your Dragon (where Toothless is from) and the Devil May Cry universe. The characters from both universes have to team up. For example, Vergil might be initially skeptical of Toothless but then come to respect his power. Toothless could also interact with the different weapons and magic in the DMC world in an interesting way.
For Devil May Cry x Reader fanfiction, a great plot could be that the reader is a healer who joins the Devil May Cry team. Their healing abilities are crucial in keeping the team alive during difficult battles. This could lead to some interesting character dynamics, like Dante being overly protective of the reader because they are a non - combatant in a way. Another idea is that the reader is an artist who can see the true forms of demons. They use their art to help the Devil May Cry team identify and track down demons. The third plot could be that the reader is a lost soul who is found by one of the Devil May Cry characters and is given a new purpose in life by getting involved in their demon - hunting activities.
A third plot idea is that the Devil May Cry crew visits the Naruto world. Yamato is tasked with training them in ninja skills. But they soon find out that there are dark forces at work in the Naruto world that are related to the demons they fight in their own universe. Together, they must figure out how to stop these forces.