If he came batman fanfiction. How would his arrival impact the existing characters?

It could make Batman more cautious. If he had come, Batman might suspect him of having ulterior motives and be more guarded in his actions and decisions, which would impact how he interacts with his existing allies like Commissioner Gordon.

The new origin could also affect the way Batman is perceived by the public in the story. If his origin is more complex and involves more gray areas, the public might be more divided in their opinion of him. Some might see him as a vigilante who is just as dangerous as the criminals he fights, while others would still see him as a hero. This would add more depth to the overall Batman narrative.

The other ninja villages would view Naruto very differently. They might see him as an even greater threat now. This could lead to more tense relations between Konoha and the other villages. At the same time, some younger ninja from other villages might idolize Naruto even more and try to learn from him, hoping to gain some of his power. This would create a complex web of relationships and power dynamics in the Naruto fanfiction world.

The banished seal master could disrupt the power balance significantly. If they have knowledge of powerful sealing techniques, they could use it to gain an advantage over other ninja clans or villages. For example, they could seal away important resources or weapons of a village, weakening it.

She could impact the storylines by changing the relationships. For instance, if she befriends Hermione early on, she might encourage Hermione to pursue different areas of study, which could then affect how Hermione helps Harry in later events.

It could lead to new alliances and enmities. Characters who were friends with Hercules might turn against Percy, while those who had issues with Hercules could see Percy as a new ally. This would completely disrupt the existing power dynamics in the mythological universe. And it might also inspire new fanfictions exploring these new relationships.

If Naruto gets reincarnated, his friends like Sasuke would likely be overjoyed at first. But then they would have to deal with the fact that he is different in some ways. For the younger generation, he could become a new mentor figure, passing on his old - school ninja ways. His reincarnation might also stir up old enemies who thought he was gone for good.

He would probably be in awe of Iron Man's high - tech gadgets at first. Tony Stark might be a bit skeptical of Link's more 'primitive' weaponry like his sword, but Link could show him the effectiveness of simple yet reliable tools. With Captain America, Link would likely respect Steve's leadership and sense of justice. They could bond over their shared values of protecting the innocent.

Well, at first, there would be a lot of fear and confusion. The younger students would probably run away at the sight of Dark Naruto. The older students, like the Weasley twins, might be more curious and try to play some pranks on him to test him out. The teachers would react differently. Dumbledore would try to understand him and his background, thinking there's a chance to turn him to the good side. Flitwick might be a bit intimidated by his power. And Hagrid? He might be the one who first tries to befriend Dark Naruto, seeing his potential for good despite his dark exterior.

When Harry Potter arrives in Storybrooke in fanfiction, it would cause quite a stir. Belle, being a lover of books, would be fascinated by the stories of the wizarding world that Harry could tell. Rumpelstiltskin, on the other hand, would be calculating. He'd be thinking about how he could use Harry's presence to his advantage, whether it's trading magic or getting information. The townsfolk in general would be a mix of awe, suspicion, and excitement. They're not used to strangers from such different magical backgrounds, so it would take time for them to fully accept Harry.