One idea could be an OC with the Rinnegan who has the power to manipulate game glitches in the virtual world of the fanfiction. They could use it to their advantage, like teleporting within the game or accessing hidden areas.
One idea could be an OC with the Rinnegan who is from a hidden clan. They use their Rinnegan powers to uncover ancient secrets that could change the ninja world. For example, they might find a lost jutsu that was sealed away long ago.
The Rinnegan OC can stand out by having a moral code that is different from the typical characters in the gamer fanfiction. For instance, they might use their powers not just for victory but also to protect the virtual world's inhabitants in a more selfless way, which would make them a more complex and interesting character.
Another interesting OC could be a Pokemon gamer who is also a scientist. They create a new type of Pokeball that has special abilities. In the fanfiction, they could face challenges from other trainers who want to steal this invention, while also using it to catch rare and powerful Pokemon. This OC's journey would be about not only collecting Pokemon but also protecting their scientific discovery.
One idea could be creating an OC who is a time - traveling gamer. They get sucked into the DBZ universe while playing the game. Another is an OC gamer who has the ability to level up like in a game within the DBZ world and uses that to gain unique powers.
Another interesting concept is to have an OC gamer from a racing game cross over into a post - apocalyptic action game. The OC would have to adapt their driving skills to navigate the dangerous terrain filled with zombies or other threats. They could use their modified cars from the racing game as a weapon or a means of escape in the new world.
An interesting plot could be an OC gamer who creates a new device in the Ben 10 universe that enhances the Omnitrix's abilities. However, this attracts the attention of villains who want to steal it for their own evil purposes. The OC then has to team up with Ben and his allies to protect the device.
One idea could be an OC who is a master of virtual reality games in the real world and discovers that their skills translate into unique magic in the Fairy Tail universe. For example, they can use their strategic thinking from gaming to outwit opponents in battles.
Another interesting concept is an OC gamer who has the ability to unlock special powers or skills in the Dragon Ball world by achieving certain gaming - like achievements. Like, every time they defeat a strong opponent, they gain a new transformation or power - up that is unique to their character. This would add an exciting twist to the traditional power - up system in Dragon Ball.
One idea could be an OC who is a gamer in the One Piece world and has the ability to hack into Devil Fruits' powers, creating unique and unexpected combat situations. Another could be an OC gamer who uses their gaming knowledge to outwit the Marines in strategic battles across the Grand Line. Or perhaps an OC who discovers a virtual reality game within the One Piece universe that holds the secrets to ancient powers.
Perhaps the OC's Gamer system is glitched in a way that makes them perceive certain Grimm as video game bosses with specific attack patterns. They have to figure out these patterns to defeat the Grimm more effectively, adding an interesting twist to the battles in RWBY.