What could be the possible plot in 'black swordsman vs vecta fanfiction'?

It's hard to say. The Black Swordsman has his sword skills, but Vecta could have some unknown powers. If the Black Swordsman's sword can cut through any defense, he might be more powerful. However, if Vecta has the ability to control minds or something like that, he could turn the tables.

Well, one possibility could be that Sonic and Eggman are forced to team up against Black Doom. Maybe Black Doom is threatening to destroy their world, and they realize that only by combining their strengths, Sonic's speed and Eggman's technology, can they stand a chance.

The plot could start with some sort of interdimensional rift that brings Gregor Clegane to Wakanda. Black Panther, seeing this strange and brutish intruder, decides to confront him. At first, Gregor might seem to have the upper hand due to his size and brute strength. But as the battle progresses, Black Panther figures out his opponent's fighting style and starts using his technology, like the energy daggers and his suit's abilities, to gain the advantage. Eventually, Black Panther manages to defeat Gregor and figures out a way to send him back to his own world.

In this fanfiction, it could be about a philosophical difference. Lily Potter might have a different view on how to deal with the threat of Voldemort. Dumbledore is often very strategic and calculating, while Lily could be more impulsive and driven by her emotions and motherly love. So, they could be at odds over how to train Harry or which allies to trust in the fight against the Dark Lord.

One possible plot could be a rematch at the academy where Naruto and Sasuke have a sparring session. They might be competing for the top spot in a new ninja training exercise. Naruto could be using his new jutsu that he's been secretly practicing, while Sasuke is relying on his natural talent and Sharingan. Their rivalry is intense, but in the end, they both gain a new level of respect for each other's skills.

One interesting plot point could be the initial encounter between the two. How would they react to each other? The Black Swordsman might be cautious seeing such a powerful being as Dark God Vegeta. Another point could be the discovery of each other's weaknesses. Maybe the Black Swordsman finds a way to temporarily nullify Vegeta's energy attacks, or Vegeta discovers that the swordsman's sword has a special power that can harm him. Also, the moment when they start to respect each other's fighting abilities during the battle would be really engaging.

One possible plot could be Sonic facing a new, more powerful enemy in the Arthurian world. Maybe a dark wizard has emerged who is corrupting the magical elements of the land, and Sonic has to race against time to stop him before the entire realm is plunged into eternal darkness.

One possible motive could be revenge. Maybe the cops had wronged him or someone he cared about in the past, so he was out to get back at them.

The plot could start with Batman investigating some strange activities in Gotham that are linked to a Russian spy ring. This leads him to cross paths with Black Widow who is on a mission for S.H.I.E.L.D. They initially misunderstand each other's motives and end up in a fight. As the story progresses, they realize they are both after a common enemy and team up.

Well, it could be about a dark version of Naruto having different goals and values from the original Naruto. Maybe the black Naruto wants to take over the Hidden Leaf Village by any means, while the real Naruto tries to stop him to protect his home and friends.