One interesting Dark Universe Story could be about a hidden world that exists parallel to ours but is filled with shadowy creatures. It might be a place where the laws of physics are slightly different, and the inhabitants have strange powers.
One interesting Dark Steven Universe fanfiction could be about an alternate universe where Steven loses control of his powers completely and becomes a tyrant. In this story, the Crystal Gems have to find a way to stop him while also dealing with the destruction he has caused. It could explore themes of power corruption and redemption.
A really interesting mummy dark universe story might be one where a mummy has the ability to possess people. It targets a small village and starts to take over the villagers one by one. The villagers don't realize what's happening at first, but as more and more of them start acting strangely, it becomes clear that something dark and mummy - related is going on.
One interesting fact is that it expands on the classic mummy lore. It often features ancient curses and powerful undead beings. For example, the mummies in these stories usually have extraordinary powers like controlling the elements or raising the dead.
Sure. There is a story where a spaceship gets lost in a region of the universe known as the Dark Zone. The crew experiences time dilation and encounters a race of beings that are made of pure dark matter. It's a really thrilling story.
There could be a mummy dark universe story where a group of archaeologists accidentally uncovers a mummy that was buried with a powerful dark artifact. As soon as the mummy is exposed to the air, it starts to draw energy from the artifact and becomes supernaturally strong. It then begins to hunt down those who disturbed its rest, leaving a trail of mystery and horror as it moves through the night.
Well, in an MLP Dark Mirror Universe fanfic, a possible plot is that the Elements of Harmony are actually used for evil. The ponies who usually protect Equestria are now using the power of the elements to control and oppress others. There could also be a plot where the different pony races are at war with each other instead of living in harmony. Maybe the unicorns think they are superior and are trying to enslave the earth ponies and pegasi. And of course, the fanfic could explore how the friendships that were once strong in the normal Equestria are now broken in this dark mirror world.
One interesting story could be about a haunted house in the middle of a dark forest. It was said that strange noises came from it at night.
Perhaps a story in 'in a dark dark room stories' is about a person who gets trapped in the room. They have to face their fears and use their wits to find a way out. The darkness makes everything seem more terrifying, but they gradually discover hidden passages or clues that lead to their escape.
One 'dark dark short story' could be about a haunted house. A family moves in, and every night they hear strange noises. Doors open and close on their own. Eventually, they discover a tragic past of a murder in the house that haunts it still. Another could be a story of a lost traveler in a dark forest. He encounters strange, shadowy figures that seem to lead him deeper into the forest, and he realizes he may never find his way out. And there could be a story about a cursed object. A woman finds an old mirror at a flea market. When she looks into it, she starts seeing visions of a past life filled with sorrow and misfortune.
Well, some 'across the universe fanfic' might be centered around a character who has special powers that are only revealed in the fan - made story. For example, a minor character could be secretly able to control time, which changes the course of events in the universe of the story. There could also be fanfics that rewrite major plot points, like preventing a big war in the 'across the universe' setting by some clever diplomatic moves of the characters.