Power is a common theme. Naruto as the heartless emperor often has to deal with the allure and corrupting influence of great power.
Betrayal is another theme. In many of these fanfictions, Naruto becomes heartless due to some form of betrayal, and his journey to either forgive or exact revenge is explored. Also, the theme of isolation is present as his new persona may drive away his former friends and allies.
Well, in 'naruto is emperor' fanfiction, themes like leadership and legacy are often seen. Naruto would need to show strong leadership skills to rule effectively. He might be faced with challenges from within his own village as well as from other villages. Regarding legacy, he would want to leave a positive mark as an emperor. He could be portrayed as building great monuments or institutions. Also, the theme of friendship could still be there, but it might be tested as his friends now have to interact with him as an emperor, not just as their friend Naruto. And the fanfiction might also explore how his imperial rule affects the balance of power in the ninja world at large.
One common theme is transformation. Naruto goes from a regular ninja to an emperor, so there's a big change in his status and responsibilities. Also, loyalty is often explored. His friends' loyalty to him as an emperor and his loyalty to the ideals of his empire are important aspects. Additionally, the theme of legacy comes up. Naruto wants to leave a positive and lasting legacy as an emperor, which is different from his previous goal as just a ninja.
One common theme is the misjudgment of the female character. People often misread her heartless behavior as pure evil when in fact she may be acting out of self - preservation or a greater purpose.
Power and leadership. Naruto, as a character with great power in the Naruto universe, is often placed in a position of Roman - style leadership in these fictions. So, the theme of how he wields power and what kind of leader he becomes is common.
One common theme is power. Since Naruto is in an 'emperor' role, power dynamics within the harem and in relation to the outside world are often explored. Another theme could be loyalty. The characters in the harem may show different levels of loyalty to Naruto as the emperor. Also, there might be themes of love triangles or complex relationships within the harem.
No. Most Naruto fans appreciate the original values of the series, like friendship, perseverance, and kindness. A fanfiction portraying Naruto as heartless goes against the core of the character, so it's not likely to be a common view.
Love against all odds is often a theme. Since Sora is a hero and the Heartless are typically seen as enemies, the idea of them falling in love goes against the norm. It creates a lot of drama and tension. There might also be themes of self - discovery for both Sora and the female Heartless character. As they interact, they learn more about themselves and their place in the Kingdom Hearts universe.
Power is a common theme. Since Naruto is in an 'emperor' role, it often focuses on how he wields power, whether it's political power over Konoha or his ninja powers in a new context.
The theme of friendship or an unlikely bond is also prevalent. Despite the Heartless being the enemy, some fanfictions may depict Sora forming a connection with them. This can be a very interesting take as it goes against the normal perception of the relationship between Sora and the Heartless in the original game. It can also be a way to show Sora's capacity for compassion.
Alliance building is also a theme. Alvarez might form alliances with different ninja villages or groups in the Naruto world. This could be for mutual benefit, such as sharing resources or fighting a common enemy. The fanfics that focus on this theme show how these alliances are formed, maintained, or broken, and how it affects the overall balance of power in the Naruto universe.