In a different take, the main characters could be a new group of students at Beacon Academy. They accidentally stumble upon the giant mech. These students, each with their own unique semblances, must learn to work together to control the mech. They look up to Team RWBY as their idols and strive to use the mech to prove themselves worthy of being heroes in the RWBY world.
Obviously, Team RWBY could be the main characters. Ruby could be the pilot or the one in charge of the mech's main weaponry. Weiss could handle the mech's ice - based defense systems. Blake could be in charge of stealth operations using the mech's cloaking features if it has any, and Yang could power up the mech's strength - related functions.
Well, it could be about the RWBY characters finding or building a giant mech to fight a new, super - powerful Grimm. Maybe they have to figure out how to operate it together, with each character using their unique skills to control different parts of the mech.
Well, you might expect epic battles, high-tech upgrades for the mechs, and maybe some unexpected alliances between characters.
Nico di Angelo could be a main character as well. His powers over the dead and his unique perspective could be valuable. He might be dealing with the influx of new ghosts due to the large number of casualties in the war and trying to find a way to give them peace.
Ruby could be a main character. Her speed and scythe - wielding skills would be really interesting to see in the Titanfall universe. She could quickly adapt to piloting a Titan and use her scythe in new and creative ways during battles.
Ruby could be a main character. Given her leadership skills and her connection to the silver - eyed warriors, she might be on a quest to uncover the secrets of the ancient kingdom that could be related to her powers. Weiss could also be a main character as her family has a long history, and she might discover some link between her family's past and the ancient kingdom.
In a 'rwby meets god fanfic', Ruby, Weiss, Blake and Yang are the most likely main characters as they are the focus of the RWBY franchise. But depending on the direction of the fanfic, other characters like Penny or Jaune could also be important. Maybe Penny has some connection to the god due to her robotic nature, or Jaune could be the one who accidentally stumbles upon the god's arrival and then informs the RWBY team. Still, the RWBY girls will probably be the ones with the most significant interactions with the god.
Obviously, the members of Team RWBY - Ruby, Weiss, Blake, and Yang - could be the main characters. Their different personalities and fighting styles would make for an interesting exploration of different workout approaches.
Ozpin is a great choice. His long - lived nature means he has a lot of knowledge about the Great War and could be in a position to influence the events, either directly or through his students.
Blake would make a great main character in such a fanfic. Her past experiences and her ability to think on her feet could be very useful when interacting with the Pride Troopers. And perhaps Jiren from the Pride Troopers could be another main character. His incredible power would be a major factor in any battles or challenges they face.
The girl could be a lonely orphan who has just moved to a new town. The giant dog could be a stray that has been roaming the outskirts of the town. When they meet, the dog's face - licking becomes a turning point in the girl's life as she now has a friend. There could also be a secondary character, like an old man who witnesses their encounter and helps the girl take care of the dog.