There's also 'Beyond the Walls'. This fanfic focuses on the relationships between the characters as they venture outside the walls. It shows how they grow and adapt to new situations, and it has some really heart - warming moments that fans of the original series will surely appreciate.
The exploration of the Titans' origin in a more detailed way is another common theme. Fanfic authors often come up with their own theories and stories about how the Titans were created and what their true purpose might be, adding new layers of mystery to the 'Shingeki no Kyojin' world.
Well, one special thing about the Shingeki no Kyojin fanfic is that it can delve deeper into characters' backstories that weren't fully explored in the original. It also sometimes presents alternative plotlines that can be quite exciting and unexpected.
It could be about the characters in 'Shingeki no Kyojin' having the ability to read the future. Maybe Eren or other Scouts somehow gain this power and it changes the course of the story. They might use this power to prevent disasters or to outwit their enemies like the Titans.
There are several platforms where you might find Shingeki no Kyojin fanfic to watch. Fanfiction.net is a popular site that has a large collection of fan - made stories. Archive of Our Own (AO3) is also a great place. However, note that 'watching' fanfic usually means reading it as it's in text form, not a video or something similar. But some platforms might have audio versions of fanfics read by volunteers which can be a form of 'watching' in an auditory sense.
Most likely Eren would be one of the main characters as he is central to the original 'Shingeki no Kyojin' story. If the fanfic is about reading the future, his actions are often crucial in determining the fate of humanity, so he would be a prime candidate to have this ability or be affected by someone who does.
One interesting concept could be the combination of the unique power systems from both 'Shingeki no Kyojin' and 'Naruto'. For example, how the Titans' abilities might interact with ninja jutsus. Maybe the Survey Corps could use some Naruto - style stealth techniques to approach Titans more effectively. Another concept could be the character crossovers, like Eren Jaeger learning from Naruto about the power of friendship and how it can influence one's will to fight.
The most unique element is often the clash of different worlds' power systems. For example, when 'Shingeki no Kyojin' crosses with 'Fullmetal Alchemist', the alchemical powers and the Titan - slaying skills create a very distinct dynamic. It's not just about who is stronger, but how these different powers can be combined or opposed.
Fanfics usually operate in a bit of a gray area legally. For Shingeki no Kyojin fanfic, if it's just for personal enjoyment and not being sold or distributed in a way that competes with the official work, it's likely okay. But if it uses too much of the original plot or trademarks in a way that could mislead consumers into thinking it's an official product, that's when legal issues might arise. For example, if a fanfic starts selling merchandise related to their fan - made story that uses the Shingeki no Kyojin name and imagery without permission.