Perhaps the main character is a person who has a special connection to the mirage pokemon. Maybe they were saved by a mirage pokemon when they were a child, and ever since then, they have been obsessed with understanding and protecting them. This connection gives them an edge in becoming the mastermind in the world of mirage pokemon. They can communicate with the mirage pokemon in a unique way that others can't, which helps them in their journey of discovery and protection.
It could also be an experienced pokemon trainer who has seen a lot in their travels. After encountering a mirage pokemon by accident and realizing how different and powerful they are, they become determined to become the mastermind in the world of mirage pokemon. They use their existing pokemon training skills and knowledge to study these special pokemon, making them a formidable force in the fanfiction.
In a 'Pokemon Mastermind of Mirage Pokemon Fanfiction', the concept of mirage pokemon is key. These might be pokemon that are rare, elusive, or even have some sort of special power or quality that normal pokemon don't. The mastermind character would likely be on a journey to discover more about them. Maybe they are trying to protect the mirage pokemon from those who would use them for evil. Or they could be trying to figure out how to use the mirage pokemon's powers to their advantage in a world full of pokemon trainers.
It could be a scientist who is involved in the study of Pokemon genetics. While trying to understand the mechanics of evolution better, they accidentally stumble upon the new evolution and then become involved in the events that unfold as a result, both in the scientific and the trainer communities.
Squirtle. Squirtle is cute and friendly. If it adopted a human child, it could show the child the underwater world of Pokemon. The Squirtle could teach the child how to swim, and they could explore underwater caves together. It would be a really fun and light - hearted story with Squirtle as the main Pokemon.
The main character could be a talented pokemon stylist. They have a passion for making pokemon look their best with unique haircuts. They travel around different regions to learn new haircut techniques and to show off their skills on various pokemon.
It could be Ash. He's the classic Pokemon protagonist and has been through so many trials already. His will has been tested countless times, like when he faced the Elite Four or when he had to rescue his Pokemon from Team Rocket. In this fanfiction, he could face a new kind of test that really pushes his will to the limit.
A Pikachu could be a great main character. Pikachu is popular and has a lot of potential for character growth. It could start as a timid Pokemon but become a strong leader during the uprising.
It could be a group of Team Rocket - like villains. They are after the unique powers that the reborn pokemon might possess. Since the reborn pokemon has a human - like intelligence, they see it as a valuable asset to use for their evil plans, like stealing all the precious pokemon resources or taking over a certain region.
It could be a powerful and evil Pokemon trainer who wants to capture Ash in his new Pokemon form. This trainer might be after Ash because he believes that a human - turned - Pokemon has some special power or value.
Maybe a powerful and evil pokemon trainer who has a vendetta against Ash. Now that Ash is in a vulnerable pokemon form, this trainer could try to capture and control him. The trainer might have some dark motives related to using Ash's unique situation to gain power in the pokemon world.
A young girl from a small village in Galar who dreams of becoming a great Pokemon trainer. She could be inspired by the local Gym leader and sets out on her journey with her first Pokemon, a Scorbunny.