One idea could be that the main characters from Sao end up in Ggo due to a strange glitch in the virtual world systems. They have to adapt to Ggo's different rules and combat styles while also trying to find a way back to their own world in Sao.
Maybe a powerful item or skill in Sao becomes a crucial element in Ggo. For example, Kirito's dual - wielding ability could be a unique and sought - after trait in Ggo, leading to various characters either trying to steal it or team up with him. This could create a lot of action - packed scenes and interesting character interactions.
One idea could be that the characters from SAO find themselves in the world of Ghost in the Shell. They have to adapt to the high - tech environment where cybernetic enhancements are common. Kirito could use his sword - fighting skills in a new context against cybernetic foes.
Sinon from Ggo could also be very interesting. If she were to enter Sao, her sniper skills might translate in unexpected ways. She could be paired with characters from Sao and learn new combat techniques while also teaching them about the precision of long - range attacks.
Maybe in this crossover, the Digimon can enter the SAO virtual world. The Digimon's unique abilities would disrupt the normal gameplay in SAO. For instance, a Gabumon's ice attacks could freeze parts of the in - game environment, creating new challenges for the SAO players.
In a 'pokemon sao crossover fanfic', a great plot could be that the main character from the Pokemon world gets trapped in the SAO world. They then discover that they can use their Pokemon to fight the bosses in SAO. The Pokemon would need to adapt to the digital environment, like learning how to dodge virtual attacks. The trainers would also have to figure out how to heal their Pokemon in this new world, which could lead to some interesting adventures as they search for digital Pokemon centers or find new ways to restore their Pokemon's health.
One idea could be a crossover where the SAO gamers find themselves in the world of a different game universe from SI (Self - Insert) fanfictions. For example, they might end up in a fantasy RPG world and have to adapt their skills from SAO to survive there. They could form alliances with the native characters of that world, which would create a lot of interesting interactions and storylines.
One idea could be a character having a bloodline that combines Naruto's Uzumaki chakra with Sao's game - like abilities. For example, they could have the Uzumaki's massive chakra reserves which they use to power up unique Sao - style skills in combat, like super - fast sword strikes enhanced with chakra. Another plot idea is a story where the bloodline causes a rift between different factions. Some see it as a threat while others as a new hope for their world. This could lead to all kinds of political intrigue and battles.
One idea could be a crossover of the combat styles. For example, the characters from RWBY could learn some new sword techniques from SAO and incorporate them into their own fighting. Another could be a scenario where the characters are trapped in a virtual world similar to SAO but with the Grimm from RWBY. They would have to fight the Grimm while also dealing with the rules of the virtual world.
Well, perhaps in this fanfiction, the SAO system is corrupted by an Orochimaru - like figure. He wants to use the virtual world to gain power and immortality. Naruto and his friends, along with the SAO players, have to team up. Naruto's positive attitude and never - give - up spirit inspire the SAO players. They all work together to defeat this new threat, with Naruto using his Rasengan in new and creative ways within the SAO world.
A possible plot could involve a character from SAO, say Asuna, getting trapped in the Naruto world. She has to learn how to use chakra and ninjutsu to survive. Naruto and his friends help her. In return, Asuna teaches them about the technology and strategies from SAO. They then discover that there is a connection between the two worlds and that an evil force is trying to merge them in a way that would destroy both. So they set out on a journey to stop this evil force, using both ninjutsu and SAO combat skills.
One idea could be the gamer discovers a hidden quest that no one else has found in Sword Art Online. They have to solve complex puzzles and defeat powerful bosses alone to complete it.