The term 'assassin of black fanfiction' is rather ambiguous. It could be that it is a fan - created story about an assassin whose main color or motif is black. This could play into the character's design, the setting of the story (a dark, shadowy place perhaps), or even the themes of the fanfiction such as death, secrecy, and the unknown. It could also be part of a specific fandom's sub - genre where assassins are a popular trope and the 'black' adds a unique spin to it, like a particular group of fans writing about assassins with a black - themed style in a certain fictional universe.
Since I don't know the specific 'assassin of black fanfiction', I can't say for sure. But it might have an assassin as the main character, perhaps with some side characters like the targets, allies, or rivals.
A great Half Life Black Ops Assassin fanfiction often has well - developed characters. Since it's a crossover of sorts, the author should blend the traits of characters from both universes in a believable way. For example, if a Half - Life character is put into a Black Ops Assassin scenario, their actions and reactions should make sense within that new context.
I really like the 'Black Assassin Arrow Fanfic'. It often has a lot of exciting action scenes. The character of the black assassin is usually depicted as very cool and mysterious. His skills with the arrow are amazing, making every battle full of tension and excitement.
One possibility could be a story where Naruto is somehow transported to the world of Assassin's Creed Black Flag. He might use his ninja skills to adapt to the pirate - filled environment. For example, his ability to run on water could be seen as a superhuman feat among the pirates and assassins.
A great plot for an Assassin's Creed Black Flag fanfiction could be centered around the search for a hidden, powerful artifact that was lost at sea. Edward Kenway hears rumors about it and embarks on a journey to find it. Along the way, he has to face not only other pirates who are also after the artifact but also Templars who want to use it for their own evil purposes. This would involve a lot of sea battles, exploration of uncharted islands, and of course, some stealthy Assassin - like infiltrations of enemy strongholds.
Naruto might get involved in the naval battles in Assassin's Creed Black Flag. His quick reflexes and strategic mind from being a ninja could give him an edge. He could help the pirates in unexpected ways, like using his shadow clone jutsu to confuse the enemy ships.
One idea could be exploring the backstory of Edward Kenway's early life before he became a pirate. Maybe his family life, what led him to choose the path of piracy initially.
Edward Kenway is the most prominent. His charm, his skills as a pirate and an Assassin, and his internal struggles are all things that attract fanfiction writers. However, Mary Read is also a popular choice. She was a unique character in the game, disguising herself as a man to be a pirate. Writers can explore her backstory more deeply in fanfiction, like how she managed to keep her identity a secret for so long and her relationship with the other pirates, especially Edward.
A plot could be that Naruto and his friends are transported to the world of Assassin's Creed Black Flag. They team up with the pirates to fight against a common enemy. Maybe the Akatsuki has somehow made an alliance with the Templars, and now Naruto and his crew must use their ninja skills along with the pirates' sailing and combat abilities to take on this powerful alliance. For instance, Naruto could use his shadow clones to board enemy ships while Sasuke uses his Sharingan to anticipate enemy attacks at sea.
Edward Kenway is an obvious choice. His complex character, being a pirate and later an Assassin, offers a lot of room for different storylines.