There's this fanfic called 'League of Assassins: Batman's Trial'. In this one, Batman is put through a series of tests by the League. It's a really interesting take as it shows Batman's vulnerability and his ability to adapt. The story is full of twists and turns, and the way the author describes the League's motives and methods is quite engaging.
Sure, it's very likely. Given the popularity of both 'Harry Potter' and the idea of assassins in various fictional universes, some fans would be inspired to combine them. However, the quality and content can vary greatly. You might have to sift through a lot of stories to find one that suits your taste.
There is a fanfiction called 'League of Assassins: Batman's Greatest Challenge'. It presents a scenario where the League of Assassins has a new leader who has a personal vendetta against Batman. This leads to a series of high - stakes battles. Additionally, 'Batman and the Hidden League of Assassins' is also a good read. It reveals a secret faction within the League that Batman has to deal with.
As a person who loves reading novels, I didn't get the latest online knowledge. However, according to some of the novel plots I know, there might be a novel called Assassin's League: Marvel World. The story was set in a world similar to the Marvel Universe. The main character, Wesley, was a member of the Great Assassin League. He transmigrated into this world and began his own adventure. However, since my knowledge deadline is 2021, I can't provide accurate information if this book is out of date.
To write a good 'Batman League of Assassins Fanfic', you have to create a believable setting. Since the League operates in the shadows, describe their lairs and hideouts in a spooky and mysterious way. For Batman, show his internal struggle when dealing with the League. He has a moral code, but the League's actions might make him question some of his beliefs. And make sure to keep the dialogue true to the characters. Batman is usually serious and focused, while the members of the League can be more cryptic in their speech.
Maybe Orochimaru could be involved with the League of Assassins and become the main villain. He has always been interested in power and dark arts, and the league could provide him with new resources and minions. He could use the league to target Naruto and try to steal his power or the Nine - Tails within him.
One possible plot could be that Naruto is secretly recruited by the League of Assassins. He initially joins thinking he can change them from within but soon realizes the depth of their dark and violent ways. He then has to use his ninja skills and his unwavering belief in friendship and justice to either reform or escape from the league.
If Batman joins the League of Assassins in fanfiction, he might initially be seen as a powerful asset. His skills in combat, detective work, and strategic thinking could be used to further the League's goals. However, he would also likely be at odds with their more extreme and unethical methods. He might try to reform the League from within, or he could be using his membership as a way to gather intelligence on them for the greater good of Gotham.
It could be about Harry Potter and his friends getting involved with an assassin - like group. Maybe they have to use assassin - like skills to fight against the dark forces in the wizarding world.