Another place to check is FanFiction.net. It has a large collection of fanfiction from different fandoms. Just type in 'fate watches multiverse' in the search bar, and it will show you any relevant stories that match your query. However, the quality may vary, so you'll need to read through a few to find the good ones.
One interesting story could be about Fate observing different versions of a hero's journey across the multiverse. For example, seeing how a character like Arthur Pendragon might have different fates in various multiverse scenarios, perhaps in one he's a tyrant and in another a great liberator.
If Naruto watches the multiverse fanfiction, he could gain new perspectives. Maybe he'd see how different choices in other 'Naruto - like' universes led to different outcomes. This could inspire him to think about his own choices in his world, and perhaps even consider alternative ways of doing things in his ninja career.
Well, if Fate watches fanfiction, it could mean that the official narrative has some room for expansion. Fanfiction often explores different aspects of the story and characters. So, Fate might get inspired by new ideas presented in fanfiction to further develop the official story. For example, a fanfiction might introduce a new relationship between characters that could be explored in the official content later.
Well, he might get some really wild ideas. He could start imagining all the different versions of himself in other universes, like a Harry Potter who's a Slytherin instead of a Gryffindor. It would probably be both exciting and a bit confusing for him.
Well, one interesting plot could be the characters from Class 1 A finding themselves in alternate universes where their quirks are completely different. For example, Deku might be in a world where everyone has no quirks but still manages to be a hero through his wits and determination.
Well, he might be really confused at first. Since the multiverse concept can be quite complex. He could see versions of himself with different personalities or powers. Maybe he'd learn some new strategies to fight his enemies from those alternate versions.
In 'fairy tail watches multiverse fanfiction', the idea of different magic systems in various universes can be really cool. Maybe in one universe, a certain type of magic is dominant, while in another it's rare or even non - existent. This can lead to unique storylines where Fairy Tail characters have to adapt to new magical rules.
Seeing different versions of themselves and their classmates in the multiverse can also make them more self - reflective. They might start to question their own actions and decisions in their original world. For example, Uraraka might see a version of herself who made a different choice about her hero career and it could make her think about her own path more deeply.
You can try fanfiction websites like FanFiction.net or Archive of Our Own (AO3). They usually have a wide variety of fanfictions, including those related to Highschool DxD and the multiverse concept.