In a story, the two worlds could blend in terms of the characters' moral compasses. Batman has his strict no - kill rule, while Spawn is more willing to use lethal force. When they meet in a fanfiction, they could have debates about the right way to fight crime. This could also affect how they deal with threats. Maybe a new villain emerges who tests their beliefs, and they have to find a way to work together despite their differences in moral stances.
The technology in Batman's world and the magic in Spawn's world could be an interesting blend. For instance, Batman might try to use his scientific knowledge to analyze and understand Spawn's powers, while Spawn could introduce Batman to the concept of a different kind of power source that is more magical in nature. This could lead to new gadgets for Batman and a new perspective for Spawn on how to use his powers more effectively in a more 'human' world like Gotham.
Their worlds could blend through the idea of a shared underworld. Gotham has its seedy criminal underbelly, and Spawn's world has its own demonic and corrupt elements. In a fanfiction, there could be a connection where a powerful demon in Spawn's world is making deals with Gotham's criminals to gain more power and influence. Batman and Spawn would then have to navigate both the streets of Gotham and the hellish landscapes of Spawn's world to stop this threat.
Artemis is often impulsive and acts on her emotions. Batman is the opposite, always calculating and suppressing his emotions. This could lead to clashes. For example, if they are in a situation where they need to rescue hostages, Artemis might want to rush in without a full plan. Batman would be against this. But their personalities could also blend. Artemis' passion could inspire Batman to be a bit more flexible in his methods. And Batman's calmness could help Artemis to think more rationally in high - pressure situations. Over time, they could develop a mutual respect and understanding, which would be really interesting to explore in fanfiction.
If we consider their worlds colliding, Gotham's dark and gritty streets would be a strange place for Aphrodite. Batman's world is full of crime and despair, while Aphrodite is from a world of beauty and love. But perhaps Aphrodite would be drawn to Gotham to try and spread her love and change things. Batman would initially be skeptical but might come to see the value in her approach as she starts to have an impact on the villains and the overall mood of the city.
Their worlds could collide if a powerful and mysterious villain starts operating in both Gotham and the territory related to The Crow. This villain might be using Gotham's resources for some dark ritual that also affects The Crow's realm. Batman would be on the case in Gotham, and The Crow would sense the disturbance in his own world, leading them to cross paths.
One way is through the power system. The Susanoo's power could be compared or combined with the powers in Highschool DxD. Naruto could bring his ninja way of thinking into the Highschool DxD world. For instance, his idea of never giving up could inspire the Highschool DxD characters. And in terms of the world - building, the fanfic could have Naruto's world of ninjas and the Highschool DxD's world of demons and angels co - exist. The Susanoo could be seen as a new and fearsome power in the Highschool DxD world.
Well, Arrow is often more open about his identity compared to Batman. Batman is very secretive. So, they might clash when it comes to sharing information. But they could also blend well as they both have a strong sense of justice. Arrow's more impulsive nature might be tempered by Batman's calculated approach.
It could blend the two worlds by having a common enemy. Let's say a powerful being that threatens both the ninja world and the world of Greek mythology. Percy and the Naruto characters would have to team up. The Mokuton abilities could be used in unique ways to fight this enemy. For instance, creating huge wooden barricades to hold off the enemy's attacks while Percy uses his powers to strike from a distance. The two worlds' cultures and powers would mix as they strategize together.
In a Naruto - Vikings crossover fanfiction, the power systems could be really interesting to combine. The Vikings have their physical strength and combat skills, while the ninja in Naruto have chakra and jutsu. Maybe a Viking could be exposed to chakra and start to develop their own unique form of jutsu based on their Viking heritage. For instance, a Viking with a connection to Thor could use lightning - based jutsu in a way that's different from how a normal Naruto character would. This would create a whole new dynamic in the story as the Vikings and Naruto characters learn from each other's powers.
A possible way to blend the two in a fanfiction would be through the power systems. In Naruto, there's chakra, and in Soul Eater, there are souls and soul wavelengths. The fanfiction could create a connection where chakra is related to the strength or quality of a character's soul. So Naruto characters with high - level chakra like Naruto and Sasuke would have very powerful souls in the Soul Eater world. Also, the different jutsu in Naruto could be adapted to deal with soul - related problems in the Soul Eater world, like using Fire Style jutsu to burn away corrupted souls.
The characters would have interesting interactions. Naruto, being the energetic and friendly hero, would likely make friends quickly in the Demon Slayer world. He'd probably be fascinated by the swords and the concept of demon slaying. And the Demon Slayer characters would be intrigued by Naruto's shadow clones and other jutsus. They could learn from each other and develop new strategies for fighting enemies. For example, Naruto could show them how to use mass - produced clones for distraction while the Demon Slayers attack from a different angle.
The two worlds could blend through technology and magic. Marinette's Miraculous magic could interact with Peter's high - tech gadgets. For example, her Lucky Charm could enhance the functionality of Peter's web - shooters. Their different worlds might also blend in terms of the people they know. Marinette's friends could meet Peter's friends, leading to some interesting cultural exchanges. The Parisian fashion and architecture could also find their way into Peter's New York, creating a unique aesthetic blend.