He would definitely still have his chakra powers. His ability to create shadow clones would be a great asset. Also, his sage mode, if he could access it, would give him enhanced strength, speed, and sensory abilities in the DxD world.
He would bring his chakra powers for sure. His ability to use jutsus like Rasengan would be a powerful addition. Also, his enhanced physical abilities due to being a demigod, like super strength and speed, would make him a formidable opponent in the DxD battles.
Devil Naruto might possess the power of flight, which is common among devils in Highschool DxD. His chakra could be infused with devil energy, making his jutsus more powerful and having additional effects like draining the opponent's energy. His shadow clones could also be enhanced to have some devil - like characteristics, such as being able to resist certain types of attacks better.
He could still have his chakra - based powers. His Rasengan, for example, would be a powerful attack. And with his heightened senses, he might be able to detect and counter attacks more quickly. He could also develop new techniques that rely on his other senses, like a sound - based jutsu that can stun opponents.
He would probably have Naruto's regular ninja powers like the rasengan and shadow clones. But combined with his Azazel heritage, he might also have some unique fallen - angel - like abilities. Maybe he could fly or have some sort of dark energy - based attack.
He would be a very protective father. Given Naruto's own experiences growing up without parents and his strong will to protect his loved ones, he would be extremely vigilant in safeguarding his family in the Highschool DxD fanfiction.
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.
Evil Naruto would still have his basic ninja powers. He'd have his shadow clones which could be used for various purposes, like spying or overwhelming opponents in battle. His Rasengan would also be a very powerful attack. Additionally, he could have some dark - themed powers due to his evil nature. Maybe he could corrupt his chakra to have a more sinister effect on his enemies, like causing them to feel despair or weakening their will.
He could have the power of the Ouroboros, which might give him the ability to manipulate energy in ways unique to the Highschool DxD world. Maybe he can create powerful energy shields or attacks.
Naruto's chakra - based powers and Ophis's dragon powers could combine in a very explosive way. For example, Naruto could use his Rasengan and infuse it with Ophis's dragon energy to create a super - powered attack that could break through almost any defense.
Well, Naruto's immortality could bring a whole new dynamic to the Highschool DxD world. He might use his ninja skills in a really unique way there. Maybe he'd form some unexpected alliances with the characters in DxD. For example, his shadow clone jutsu could be used for various strategic purposes during battles or even for pranks at school.