Obviously, Alfred is a key ally. He has all that knowledge about Batman's operations and can be a great support to the reborn character. Commissioner Gordon is also an important one. His connection to the police force can be very useful for the reborn Batman in fighting crime.
The reborn Batman might find allies in some unexpected places. For example, Lucius Fox from Wayne Enterprises. He can supply the latest gadgets and technology. Also, in some fanfictions, characters like Huntress or Batgirl might form closer alliances with the reborn Batman, sharing their unique skills and perspectives to fight the criminals in Gotham.
In 'Reborn as Batman fanfiction', Nightwing could be a great ally. He has his own skills and knowledge of Gotham's underworld. He can help the reborn Batman understand the city better. And then there's Oracle. With her computer skills and intelligence network, she can provide valuable information for any mission.
Green Lanterns could be allies. Their power rings and their experience in dealing with cosmic threats would be valuable for a celestial. They could teach the celestial about different sectors of the universe. Martian Manhunter is another potential ally. His shape - shifting, telepathy, and vast knowledge of different species would be helpful. Additionally, Oracle could be an ally as she can provide information and strategic advice from behind the scenes.
Terry McGinnis, as Batman Beyond, is an obvious potential ally. He's always looking to keep Gotham safe and would likely team up with Melanie if their goals align. Maxine Gibson could also be an ally. She has her tech - savvy skills and knowledge of the underbelly of Gotham. Another potential ally could be Commissioner Barbara Gordon. Even in the future, she could be a powerful figure in the police force and might work with Melanie if it means stopping a big threat.
There could be a wise old sage who has foreseen the OC's rebirth as the dark avatar and decides to guide them. This sage might have knowledge of ancient prophecies that suggest the OC can use their new power for good. Also, an unexpected ally could be an enemy of a greater evil. They realize that the OC's power as the dark avatar can be used to fight against a common foe.
Leon S. Kennedy could be a potential ally. He's experienced in dealing with the RE monsters and has a strong sense of justice. He might see the oc as a valuable asset in the fight against the bio - threats and offer his protection and guidance.
Perhaps some of the minor gods who are tired of the traditional power structure in Olympus could be Percy's allies. They might see his rebirth as a son of Chaos as an opportunity to shake things up. Also, any being that has a connection to the concept of change or new beginnings could potentially side with Percy. This includes spirits of innovation or even some forgotten heroes who sense that Percy is the key to a new era in the world of demigods and gods.
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.
Her first potential ally could be a young trainer who is also on a journey to become a Pokemon master. They share a common goal and can support each other during battles and in exploring new areas.
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.
In 'Abandoned Son of Artemis Fanfiction', his potential allies could be quite diverse. There might be an old and wise centaur who has knowledge of both the divine and mortal worlds. This centaur could teach the son important skills and be a mentor. Additionally, there could be a group of outcasts, similar to him in some way, who have banded together. They would understand his pain and together they could form a strong alliance against any threats that come their way.
Potential allies for Merlina could include other young wizards who are also outcasts or have a similar goal. For example, those who are interested in exploring forgotten magic. Additionally, magical creatures might side with her. If she shows respect for them, they could help her in times of need. There could also be a secret society within the wizarding world that sees Merlina's potential and decides to support her.