Who could be the main antagonists in a 'naruto trained by kyuubi fanfic'?
The Akatsuki could still be the main antagonists. Even with Naruto's training by the Kyuubi, they would be after the tailed beasts. Their goals of collecting all the tailed beasts would put them in direct conflict with Naruto. And they have some really powerful members like Pain and Itachi.
Another possibility is that a new group emerges, one that is afraid of the power Naruto could gain from the Kyuubi's training. This group might see Naruto as a threat to the balance of power in the ninja world. They could be made up of some old - school ninja clans who believe in a more traditional way of power distribution and see Naruto's rapid growth as something that could disrupt their way of life.
It could be some rogue shinobi who are jealous of Naruto's new - found power from being trained by the Kyuubi. They might form an alliance to take Naruto down. These shinobi could have their own motives, like seeking revenge on Konoha or wanting to use Naruto's power for themselves. They could be from other hidden villages or even some outcasts within Konoha.
Who could be the antagonists in a 'naruto trained by asura fanfic'?
There could be new antagonists created specifically for this fanfic. Maybe some dark forces that were sealed away by Asura long ago are awakened. They would oppose Naruto because they see him as a threat to their resurrection or their evil plans.
Who could be the antagonists in a 'naruto trained by pakura fanfic'?
It could be some rogue shinobi who are after Pakura's knowledge. Since she's training Naruto, they might see it as an opportunity to get to both of them and steal their techniques. Maybe they were once her enemies or just power - hungry individuals.
Who could be the main antagonists in 'godlike naruto trained by danzo fanfic'?
It could be the other Hidden Villages. Since Naruto is becoming so powerful under Danzo's training, they might see him as a threat and try to stop him. Maybe they would send their best ninjas to take him down.
Who would be the main antagonists in a 'naruto trained by mangetsu fanfic'?
The Akatsuki could still be the main antagonists. Even with Naruto getting trained by Mangetsu, the Akatsuki's goals of collecting the tailed beasts would still pose a major threat to Naruto and the ninja world.
Who would be the main antagonists in a 'naruto trained by sasori fanfic'?
The Akatsuki could still be the main antagonists. Even though Sasori is training Naruto, the rest of the Akatsuki might view Naruto as a threat and try to eliminate him. Also, Orochimaru could be an antagonist. He might be interested in the new skills Naruto is learning from Sasori and try to steal them for his own experiments.
Who could be the main antagonists in 'naruto corrupted by kyuubi fanfiction'?
Another potential antagonist could be an inner demon within Naruto that is a manifestation of the Kyuubi's corruption. This inner demon could constantly be battling Naruto's good side, trying to take over completely. And there could be characters who misunderstand Naruto's situation and side with the forces that are trying to 'contain' or 'destroy' Naruto because they believe he is a lost cause due to the Kyuubi's corruption.
Who could be the main antagonists in 'Naruto Daughter of Kyuubi Fanfiction'?
One possible group of antagonists could be those in the Hidden Leaf Village who still hold a grudge against the Kyuubi. They might see the daughter as a threat and try to get rid of her. Another could be rival villages that fear the power she might possess and see her as a weapon that could be used against them in the future, so they would try to eliminate her before she becomes too powerful.
Who could be the main antagonists in 'naruto accepts kyuubi fanfiction'?
The Akatsuki could still be the main antagonists. Even though Naruto has accepted the Kyuubi, they might see his new power as a greater threat or a valuable asset to capture. They could try to take the Kyuubi from Naruto to use for their own evil purposes.
Who could be the main antagonists in a 'godlike naruto trained by shendu' fanfiction?
Well, in this fanfiction, the Akatsuki could be the main antagonists. They would view Naruto's godlike powers as a major threat to their goals. Since Naruto has been trained by Shendu, his abilities would be unpredictable and extremely powerful. They might band together to try and take Naruto down. Additionally, there could be some ancient demons or spirits that are awakened by Naruto's new powers and they see him as an intruder in their realm, so they become antagonists as well. They would use their own dark magic and powers to oppose Naruto.
Who could be the female Kyuubi in 'naruto trained by female kyuubi fanfiction'?
It could be an original character created by the fanfiction author. This character might be a descendant of the original Kyuubi, but with a female form and her own distinct personality.