Sasuke can be a great focus in dark Naruto fanfiction. His already brooding and vengeful nature can be taken to an extreme. For example, in some fanfics, he completely succumbs to the darkness within him, becoming a dictator - like figure in the shinobi world, ruling with an iron fist.
Batman himself is a must - feature. His complex personality and moral code make for great storytelling. The Joker is also a great choice as he provides a perfect foil to Batman. Harley Quinn can add a touch of chaos and unpredictability. Also, Commissioner Gordon is important as he represents the law in Gotham and his relationship with Batman is crucial to many stories.
Siegward would be a great character to pair with Karla. His knightly nature could contrast with her more mysterious and sorcerous ways. He could provide protection while she uses her magic to solve problems. Another good option is the Fire Keeper. Their connection to the bonfires and Karla's magic could create an interesting dynamic, perhaps they work together to unlock a hidden power within the bonfires. And of course, the Ashen One, as they already have an in - game connection with Karla and could be the key to her character development in the fanfiction.
Batman, of course, is essential as he is the Dark Knight. His brooding and strategic nature adds a lot of depth. Superman also makes a great contrast to Batman. Their different ideologies on how to use power can create interesting conflicts and collaborations. Wonder Woman is another great addition. Her warrior spirit and unique powers can bring a different dynamic, especially when she teams up with Batman for a mission.
One great character to pair with Dark Obi - Wan is Darth Maul. Their confrontations in the official Star Wars lore were intense, and in fanfiction, they could form an uneasy alliance or continue their rivalry in new and interesting ways. Maybe they team up to take on the Jedi Council or something.
The player character is an obvious choice. Their interactions can be very interesting as they come from different backgrounds within the Dark Souls 3 lore. Another good character to pair with Yorshka could be the Fire Keeper. They both have a certain ethereal quality and their combined knowledge could lead to some great storylines. Also, the Emerald Herald might be a good pairing. Her wisdom and Yorshka's unique nature could create a dynamic where they help each other in different ways.
Well, I think Scarecrow would be an interesting character to pair with the Joker. They both have a knack for spreading fear in Gotham, and their combined efforts could be truly terrifying. Additionally, Poison Ivy could be paired with the Joker. She has her own motives and methods, and when combined with the Joker's madness, it could lead to some unique and unpredictable stories. And of course, Commissioner Gordon. His no - nonsense attitude against the Joker's chaos would make for a great dynamic in fanfiction.