Well, it's a rather strange and inappropriate concept. Naruto is a beloved character in a mainstream anime, and equating him with the antichrist in a fanfiction goes against the positive nature of the original work. It can be seen as offensive to fans who love Naruto for his heroic and positive traits.
There could be several reasons. One might be that they simply have a dislike for the Naruto franchise and are using this extreme concept as a form of protest in a very unorthodox way. Another possibility is that they are just exploring some really dark and unethical ideas for the sake of creativity, without considering the negative impact it could have on the fans of the series. It's also possible that they don't fully understand the significance and positive influence of the Naruto character and are just making a random and inappropriate statement through this fanfiction.
Often, in such fanfiction, a theme could be power struggle. The antichrist figure might be vying for power over the wizarding community, much like Voldemort did, but perhaps in more complex and unexpected ways. There could also be themes related to prophecy and fate, as the presence of an antichrist - like entity would likely disrupt any pre - existing prophecies in the Harry Potter universe.
One of the well - known ones is 'The Omen' series which has been adapted into movies as well. It delves into the idea of the antichrist in a very thrilling and often terrifying way, with elements like the birth of a child who is seemingly the antichrist and the strange and often deadly events that follow.
A short story of the Antichrist's summary could center around the Antichrist's attempts to disrupt the existing order and the challenges faced by those trying to stop them. Maybe it also includes elements of mystery and suspense related to the Antichrist's true motives and plans.
Rosemary's Baby' is also highly controversial. It has a very dark and somewhat perverse take on the idea of the Antichrist being born. The way it was written, with the main character's gradual realization of what was happening, was very unsettling for many readers and critics alike.
Yes, there are some historical and religious texts that seem to refer to antichrist - like figures. For example, in the Bible, there are prophecies about the antichrist. However, these are often open to interpretation. Some people have tried to connect historical figures to the concept of the antichrist based on their actions that were seen as contrary to religious teachings, but this is more in the realm of speculation and religious study.
In 'American Horror Story', the concept of the Antichrist can represent a powerful symbol of evil or a subversion of traditional religious beliefs. It often brings chaos and horror to the story's setting.
The plot could center around the Antichrist's attempts to deceive humanity and the heroes who strive to expose his true intentions. There could be elements of mystery and adventure as the truth is uncovered.