Kakashi could still be an important ally even though Naruto has become a Jounin. Kakashi has a wealth of experience and knowledge that Naruto could still learn from. He could offer advice and assistance when Naruto faces tough challenges in his new role.
Ruby could be a potential ally. She is brave and has a strong sense of justice, just like Naruto. They could team up and use their unique abilities to fight against the Grimm. Another one could be Jaune. He is a bit of an underdog, and Naruto has a soft spot for those kinds of characters. He could help Jaune improve his skills.
In this fanfic, Naruto could potentially have allies like Kakashi. His experience and wide range of jutsu would be valuable. Hinata might also be by his side, using her gentle fist style and her unwavering loyalty to Naruto. From the Fate side, a Servant modeled after Sun Wukong could be an interesting ally. Sun Wukong's shape - shifting and combat abilities would pair well with Naruto's skills. And there could be a Servant based on a Vietnamese hero who teams up with Naruto due to his reputation as the 'Father of Asia' and his noble cause.
Jiraiya could be a crucial ally. As Naruto's mentor, he would be interested in the knowledge of the Forbidden Scroll. He could guide Naruto on how to use the knowledge safely and also protect Naruto from those who would try to take the scroll from him.
Sasuke could potentially be an ally. Even though they've had their differences, Sasuke might understand Naruto's situation and decide to help him. Also, some of the Jinchuriki he's met before could be allies. They might see Naruto as one of their own and support him during his exile.
Even characters from other villages could potentially be allies. For example, Gaara. In the game world, he and Naruto could form a powerful duo, with Gaara's sand - based attacks complementing Naruto's Rasengan - like moves. They could fight together against common in - game threats.
Some female ninjas who are intrigued by his different upbringing and abilities could be his allies. They might see him as an interesting novelty and someone who can bring new ideas to their world.
Maybe Kurama, the nine - tailed fox inside Naruto, could be an unexpected ally in a new way. Since they have a bond, Kurama could provide Naruto with extra power and insights when dealing with time - related challenges. For example, Kurama might have some ancient knowledge about the flow of time that could help Naruto in his time - patrolling duties.
Aang could be an ally. Since Aang was the previous avatar, he could guide Naruto in understanding the avatar state and how to use it effectively. Katara could also be an ally. She could teach Naruto water - bending techniques and help him with his emotional side as she's very empathetic.
Well, Naruto being the son of Rias could have some interesting allies. Firstly, Rias herself would be a great ally, teaching him about the devil society and how to use his powers. Then, there could be other devil clans that are friendly to Rias' clan and would support Naruto. In the ninja world, his old sensei or comrades who respect his decision to embrace his new identity could be his allies. Also, there might be some mythical creatures in the devil realm that recognize Naruto's pure heart and decide to fight alongside him.
There could be some characters from Ouranos' world who turn out to be allies. Maybe there are some celestial beings who recognize Naruto as the son of Ouranos and decide to help him. For instance, a being with the power to manipulate time could assist Naruto in his battles or in understanding his powers better. Additionally, Hinata could be a strong ally. She has always had feelings for Naruto and would surely stand by his side, using her Byakugan to help him in combat and in uncovering secrets related to his new identity.