It's hard to say for sure without reading it, but it could be the top trainers who have made it to the final arc of the Pokemon Master Challenge.
In the 'pokemon master challenge final arc fanfic', the main characters could be a group of friends who have been competing against each other but also supporting one another throughout the challenge. There could be a young and inexperienced trainer who is learning from the more veteran trainers. Additionally, there might be a character who is trying to disrupt the final arc for their own gain, creating conflict among the main characters. And of course, the Pokemon that are closely bonded with these trainers would also be important characters in the story.
Well, it could be about the final and most intense battles in the Pokemon Master Challenge. Maybe it focuses on the trainers' strategies, the evolution of their Pokemon, and the high - stakes competition.
The main character in this fanfic is probably a trainer who is eager to master Pokémon training. Alongside them, there could be a group of friends who are also trainers at different levels of their own journeys. There might be a Pokémon that has a special bond with the main character, perhaps a Pokémon they've had since they were very young. And then there could be a mysterious character who appears from time to time, with knowledge about rare Pokémon or secret training techniques that help the main character on their road to mastery.
I'm not sure as we don't have much info, but they could be students.
Obviously, Ash is one of the main characters. He is the one on the journey to become a Pokemon master. Pikachu would also be a key character as Ash's loyal partner. There might also be Brock and Misty, his old friends, who could make appearances and help him out on his journey.
Since it's a RWBY fanfic, we can assume that Team RWBY will be at least part of the main characters. However, it could also introduce new characters created specifically for this fanfic that are related to the time - based plot. For example, there could be a character who has the power to manipulate time, and they would be a central figure in the story along with the regular RWBY crew.
I don't know for sure as I haven't read it. It could be a new trainer starting out on their journey to become a master.
It could be a young and ambitious trainer. This trainer is often the one who drives the story forward, seeking out Fatalis for various reasons like proving their worth or to protect their region.
It's hard to say exactly who the main characters would be without reading the specific 'pokemon titan fanfic'. But it could be a young and brave trainer who is determined to face these titan Pokemon. Maybe there's also a wise old Pokemon professor who provides guidance on dealing with them.
Well, Landerous itself is likely to be one of the main characters. And probably the trainer who has a connection with Landerous.
It could be a powerful Pokemon like Mewtwo. Mewtwo has the strength and intelligence to potentially be a dominant force in such a fanfic.