In many cases, it depends. Some fanfics stick closely to canon to please purists, while others explore new possibilities and deviate for a fresh perspective. It all comes down to the author's vision and the audience they aim to attract.
Not really. There are some differences, but they don't change the main plot too much.
Not always. Many animes take some creative liberties to make the story more engaging for the animation format.
Yes, for the most part. But there are some small differences to make it better for the animation format.
It follows the manga to a large extent. But there are some small differences to make the anime more visually appealing and suitable for the screen.
Not always. Some animes take liberties and make significant changes from the manga.
Not really. There were some deviations from the original canon in Shun fiction.
The One Piece anime is known for its relatively close alignment with the manga. Though there may be some tweaks here and there to make it more visually appealing or to adapt to the medium, the essence and major plot points are maintained.
The main standards are to do thorough research to ensure authenticity, avoid anachronisms, and present a balanced and nuanced view of the past. Also, the story should be entertaining without sacrificing historical integrity.
In fanfics, 'canon' refers to the officially recognized and established elements of the original source material. Like, if it's a Harry Potter fanfic, canon would be what's in the actual Harry Potter books and movies.
One of the great ones is 'Life and Death' which offers a gender - swapped retelling of the Twilight story. It's interesting to see how the roles change while still maintaining the essence of the canon world.