Well, Naruto's ability to use chakra and his various jutsu like the Rasengan could be adapted in the High School DxD world in some interesting ways. Maybe his chakra could be seen as a unique form of magic. Sasuke's Sharingan and his ninja skills could also be tweaked. For example, the Sharingan could give him an edge in detecting the movements of devils and angels in that universe. He could use his ninja stealth to his advantage in battles or when sneaking around in the DxD high school setting.
His shadow clone jutsu would have great potential in the High School DxD world. He could use it for reconnaissance, sending clones to gather information about the various factions. Also, Naruto's sage mode could give him an edge in combat. He might be able to sense the presence of different supernatural beings more acutely. Since his powers are based on his own physical and mental training in the Naruto world, he would need to learn how to use them in a world where there are different power structures like sacred gears and peerages.
Well, Naruto's powers are mainly centered around his chakra control and the unique jutsus he has learned. In High School DxD, the powers are often related to sacred gears or devil abilities. If Naruto were to enter this world, his chakra might be seen as a new type of energy source. His ability to summon toads could be a huge advantage in certain situations. For instance, if he were in a fight against a powerful devil, he could summon Gamabunta, who could cause chaos and distraction. On the other hand, the devils' powers of illusion and teleportation could pose new challenges to Naruto, forcing him to adapt his combat style. His Rasenshuriken, which is a highly destructive jutsu, might be able to break through some of the stronger defenses in the DxD world.
Ash would first have to adapt to the different species and power levels. In Pokémon, he's used to battling Pokémon, but in High School DxD, he'd be facing devils, angels, and fallen angels. He'd likely use his quick - thinking skills from his Pokémon battles to assess new situations. For example, when facing a devil's magic attack, he might quickly analyze its pattern and try to find a way to counter it, just like he does with Pokémon moves.
Naruto would adapt by using his ninja skills to survive. He's used to being in tough situations in Konoha, so he'd rely on his combat training. For example, he could use his shadow clone jutsu to gather information or distract enemies in the new world.
Naruto's power of chakra would be a huge game - changer. His ability to perform ninjutsu like Rasengan or his more powerful attacks could easily overpower many of the initial opponents in the High School DxD world. For example, in a fight against low - level devils or fallen angels, his attacks would be very effective.
In a High School DxD fanfiction with Naruto and Ghost Rider, their powers could interact in various ways. Naruto's Rasengan, for example, could be combined with Ghost Rider's chain attacks. Naruto's ability to sense danger through his chakra might also be enhanced by Ghost Rider's supernatural senses. They would both be out of place in the High School DxD setting at first, but their powers would quickly make them forces to be reckoned with.
In the High School DxD universe, Naruto's chakra might be seen as a new form of energy. His Sage Mode would give him enhanced senses and strength. He could detect the presence of devils and angels from afar. When using Sage Mode, his attacks would be even more powerful. For example, a Sage Mode - enhanced Rasengan could cause massive damage to the toughest of opponents in the DxD world.
Well, his powers could be adjusted to fit the High School DxD universe's rules. Maybe his shadow clones could be used in a more sneaky way, like spying on the devils or angels. And his Rasengan might have some new effects, like being able to disrupt the magic in that world.
He would still likely have his chakra - based powers from the Naruto universe. So he could use techniques like the Rasengan or Shadow Clone Jutsu. However, due to his emotionless state, he might use them in a more precise and less flashy way. His Nine - Tails chakra could also be present, but perhaps he would have better control over it since emotions often cloud his control in the original series.
Goku's powers in a High School DxD fanfiction would be a game - changer. His ki attacks could be on a level that could potentially destroy entire areas in the DxD universe. His martial arts skills are also top - notch. In a fight, he would use his speed and agility to dodge attacks and then counter with his powerful punches and kicks. His transformation abilities, like Super Saiyan, would be a shock to the characters in DxD. They might not have any means to counter such a huge boost in power.