Well, it's a tough one. Naruto has superhuman strength, speed, and the ability to use chakra in amazing ways. He can quickly adapt to different fighting styles. On the other hand, Riser has his own set of magical powers in the Highschool DxD world. But Naruto has faced far more powerful foes and has always found a way to win. So, I think Naruto has the upper hand in this fanfiction battle.
If we consider a Naruto vs Riser scenario in a Highschool DxD fanfiction, Naruto's training under Jiraiya and his experiences in the ninja world give him an edge. His ability to learn and develop new techniques is remarkable. Riser may have his fire-based powers and his status as a devil in Highschool DxD, but Naruto's determination and the power of his Nine - Tails chakra would probably make him victorious in this fictional encounter.
In a Naruto vs Riser fight in a Highschool DxD fanfiction, Naruto would likely win. Naruto has a vast array of powerful jutsu like the Rasengan and Shadow Clone Technique. He's also incredibly resilient and has great combat experience. Riser, while strong in the Highschool DxD universe, doesn't have the same level of combat versatility as Naruto.
A possible plot for a Naruto vs Riser Highschool DxD fanfiction could be that there's a power imbalance in the Highschool DxD world that Naruto is brought in to fix. Riser, who is used to being in control, doesn't like this new factor. Naruto, being the hero he is, tries to resolve things peacefully at first. But when Riser challenges him, they engage in a battle. The fanfiction could then delve into how their different power systems work together, how Naruto uses his chakra in this new magical setting, and how Riser tries to counter Naruto's unpredictable moves. It could also be about how the two grow as characters through this encounter.
In a Highschool DxD fanfiction, if Naruto kills Riser, it would be a major event. First of all, the devils in the story would be in an uproar. Riser was an important figure among them. His death could lead to a power struggle among the devils to fill the void he left. Naruto would then have to face not only the devils who want revenge but also the potential chaos that his action has caused. For example, the Rating Games system might be affected as Riser was a key player in it. There could also be a shift in the relationships between different species in the Highschool DxD world, like the relationship between devils and angels might change depending on how they view Naruto's action.
Power - up is a common theme. Fans often write about Riser getting stronger in unique ways, like mastering new magical abilities or combat techniques. It adds an exciting element to the stories.
In fanfiction, anything is possible. Naruto has his powerful jutsu like Rasengan and Shadow Clone Jutsu. If he were in the Highschool DxD universe, he might use his speed and surprise factor. Maybe he could catch Riser off - guard and land a fatal blow with a Rasengan. However, Riser also has his own set of powers in the Highschool DxD world. So it would be a very interesting and intense battle if written well in a fanfiction.
It's really hard to say who would win in a 'naruto vs avengers fanfiction'. Naruto is extremely powerful with his ninjutsu and his ability to summon large toads. But the Avengers also have their own powerful members like Captain America's leadership and combat skills, and Thor's godly powers. It could go either way depending on the situation.
One possible fanfic could be about a friendly rivalry between Rias and Riser that turns into a mutual respect. For example, they could start competing in various magical challenges within the Highschool DxD universe. This would show their growth as characters and how they overcome their initial differences.
One possible fanfic could be about Riser and Kuroka forming an unlikely alliance. Maybe they start off as enemies, but due to some common goal, like protecting the underworld from a new threat, they have to work together. Their interactions would be filled with tension at first, as Riser is quite prideful and Kuroka is independent. But as time goes on, they start to understand and respect each other more.
Naruto could win by using his Sage Mode. In Sage Mode, his strength, speed, and perception are enhanced. He could easily dodge Riser's attacks and counter with powerful Sage - enhanced jutsu. His ability to sense chakra would also help him predict Riser's moves.
In a straight - up power comparison, Goku has the ability to reach extremely high power levels that can destroy planets. But Naruto has the power of the Nine - Tailed Fox and his Sage of Six Paths mode which also gives him immense power. If the fight takes place in Naruto's world, Naruto could use the environment to his advantage, like summoning giant toads or using the terrain. On the other hand, if it's in a more open space like in Goku's battles, Goku could use his flight and long - range attacks more effectively. So it's hard to say who would win definitively.
In a 'naruto vs justice league fanfiction', the outcome depends on many factors. If Naruto can quickly take out key members like Batman with his surprise attacks, he might have an edge. But if the Justice League can coordinate well, like using Superman's strength and Wonder Woman's combat skills together, they could overpower Naruto. Also, Naruto's chakra limitations could be a problem against the seemingly limitless powers of some Justice League members.