The theme of growth is essential. All three characters grow both as individuals and in their relationships with each other. Sasuke has to overcome his thirst for revenge, Naruto has to become a stronger leader, and Itachi has to find a way to make peace with his past. Through their interactions, they help each other to develop new perspectives and skills. For instance, Sasuke might learn from Naruto's positive attitude towards life, and Naruto can gain a deeper understanding of the Uchiha clan's situation from Itachi.
There's also 'The Path to Redemption'. This fanfiction delves into how Itachi's actions affected Sasuke and Naruto, and how they gradually come to understand his motives. It has a lot of heart - warming moments as they form an unlikely alliance and grow closer as friends. It doesn't have any inappropriate content and is more about the growth of their relationships.
Reconciliation is a big theme. Itachi and Sasuke's relationship is often at the center of this. Naruto can be the catalyst in these stories, helping them to reconcile their differences. There are also themes of sacrifice, as Itachi has already sacrificed a lot in the original story, and fanfictions may expand on this concept in relation to all three characters.
Yes, there are quite a few. Some explore unique relationships between the three characters. For example, there are stories where they team up in alternate universes against common enemies, which is really exciting as it shows different sides of their personalities and how they interact when the normal Naruto plot is slightly twisted.
One great 'itachi x sasuke x naruto fanfic' is 'The Bonds Beyond'. It focuses on the complex relationships between the three characters. It shows how their past experiences shape their interactions in an alternate universe.
Another theme is redemption. Itachi, in particular, has a lot of room for redemption arcs in these fanfictions. His actions in the original series can be re - examined and re - shaped in the context of his relationship with Naruto and Sasuke. Also, friendship evolving into something deeper is a big theme. Naruto and Sasuke's friendship is a central part of the original Naruto story, and in these yaoi fanfictions, it can take on new dimensions when Itachi is added to the mix. They all support and challenge each other, which is a recurring idea in many such fanfictions.
Another theme is redemption. Itachi has a lot of actions in his past that need redemption, and in these fanfics, his relationship with Sasuke and Naruto can be a part of that journey. Like, his actions towards Sasuke are re - evaluated in the context of a new understanding among the three.
It's hard to say who would be the most dominant. Itachi is extremely powerful with his Sharingan and his strategic mind. But Sasuke has his own set of powerful abilities and a thirst for power that could make him a dominant force. Naruto, on the other hand, has his Nine - Tails chakra and his never - give - up attitude which can also make him very dominant in different situations.
A plot could involve Itachi coming back to life and trying to make amends with Sasuke while also having to deal with Naruto's newfound power. Itachi sees the bond between Naruto and Sasuke and tries to help them strengthen it further for the sake of the Hidden Leaf Village. He could train them in some of his unique jutsu.
One common theme could be the complex relationship between Itachi and Sasuke. Their bond, which is filled with love, hatred, and a lot of unsaid emotions in the original series, is often explored more deeply in fanfics. Another theme might be redemption, as Itachi's actions towards Sasuke in the main story can be seen in different lights in fanfiction.