One interesting concept could be the Kyuubi eyes having unique powers like seeing through illusions that even the Sharingan can't detect. This would give Naruto an edge in battles against powerful foes who rely on deceptive jutsu.
Another concept could be that the Kyuubi eyes are a sort of key to unlocking an ancient prophecy. Maybe there are hidden markings in the eyes that only certain sages or those with special knowledge can read. And these markings could lead Naruto on a journey to discover his true destiny, which is far more complex and grand than just becoming Hokage.
In 'naruto kyuubi doujutsu fanfiction', a cool concept is the potential for new jutsu creation. Since the Kyuubi is a powerful entity, the doujutsu could enable Naruto (assuming he has it) to combine his regular ninjutsu with the Kyuubi's power in novel ways. Maybe he could create a fire - based jutsu that has the added effect of draining the opponent's chakra, as the Kyuubi is known for its voracious chakra appetite. Also, the doujutsu might have a special mode for communication with other tailed beasts.
One interesting concept could be the exploration of Naruto and Kyuubi's relationship beyond the typical master - spirit relationship. For example, in some fanfictions, they might develop a true friendship where they share their thoughts and feelings more openly. Another concept could be the power - sharing aspect. Naruto might gain new and unique abilities by having a deeper connection with Kyuubi. Also, some fanfictions could focus on how Kyuubi's past and its own emotions play into the story, like its regrets or its hopes for the future.
Well, in this fanfiction, the idea of her relationship with Naruto himself could be really fascinating. Is she a normal daughter - father relationship? Or does Naruto have to constantly protect her from those who fear her Kyuubi - related powers? Also, her training could be an interesting aspect. Who would train her? Would it be Naruto, or some other powerful shinobi in the village? And how would her training differ from the normal ninja training due to her special heritage.
One interesting concept could be the unique powers associated with the 'Eyes of Basilisk' in the Naruto universe. It might introduce new jutsu or abilities that change the power dynamics among the characters.
Another interesting concept is the idea of Madara's eyes having a sentient will of their own. In the fanfiction, the eyes could influence the character who possesses them, sometimes for good and sometimes for bad. It would create an internal struggle within the character as they try to maintain their own will while also dealing with the desires of Madara's eyes.
Well, in 'naruto reanimation eyes fanfiction', a cool concept might be the connection between the reanimation eyes and the afterlife. It could be that the eyes are a link to the souls of the dead, allowing the user to communicate with them or even bring them back in a more complete form than normal reanimation jutsu. This could lead to all sorts of plot twists and character development.
In 'naruto new eyes fanfiction', one interesting concept could be the unique powers associated with the new eyes. For example, they might have abilities like seeing chakra in a more detailed way, or perhaps even predicting an opponent's moves more accurately. Another aspect could be how the new eyes change Naruto's relationships. His friends might be in awe of his new power, or some might be a bit jealous.
One interesting concept could be the combination of different eye powers. For example, a fanfiction might explore what would happen if a character had the Sharingan and the Byakugan simultaneously. This could lead to a whole new set of abilities like enhanced perception from both the Sharingan's ability to see chakra flow and the Byakugan's near - 360 - degree vision, along with the Sharingan's genjutsu capabilities.
One interesting concept could be the unique abilities that the sage eyes might possess in the fanfiction. Maybe they can see different dimensions or foresee events more accurately than in the original Naruto series.
Well, perhaps the way it changes the power dynamics in the Naruto world. If a character has the 'Eyes of God', they could potentially disrupt the existing balance of power among the villages. For example, they could easily defeat powerful opponents like the Akatsuki members without much effort, which would create new storylines and conflicts.