A possible plot for a Creepypasta House fanfic could be centered around a family that moves into the house unknowingly. At first, small things start to happen like objects moving on their own. Then, the family members start having nightmares about the Creepypasta characters. As they try to figure out what's going on, they discover that the house was built on an ancient burial ground. The children of the family are especially vulnerable and the parents have to fight against the evil forces of the Creepypasta to protect their family.
One idea could be that the characters discover a hidden room in the Creepypasta House filled with old portraits that seem to come alive at night. Another could be a group of friends getting trapped in the house during a storm and strange noises start coming from different corners, like scratching on the walls. Or perhaps there's a mysterious diary in the house that reveals dark secrets about the previous owners and it seems to have a curse attached to it.
Well, a cool plot might be that the main character is a paranormal investigator exploring the Creepypasta House. As they go from room to room, they start to experience hallucinations of the creepy pastas that are supposed to haunt the place. For example, they see Slenderman in the hallway but when they blink, he's gone. Then they find a locked basement and when they manage to open it, they find a whole underground lair filled with symbols and artifacts related to the dark entities of the Creepypasta world.
One idea could be crossing Slenderman with Jeff the Killer. Maybe they team up to haunt a small town, and the story could focus on the survivors' attempts to figure out their motives and weaknesses. It would be a great way to combine two iconic Creepypasta characters.
One idea could be to explore a new mystery in the House of Anubis. Maybe a hidden chamber is discovered that has ancient artifacts and secrets related to Anubis. Another could be to have a character develop a new power or ability that is connected to the Anubis mythology. For example, they can communicate with spirits in the house that hold important information about the past.
One idea could be a behind - the - scenes look at the friendships and rivalries among the stars in the 'house of stars'. For example, exploring how two actors who seem to be friends on the surface are actually competing for the same big role.
Another plot could involve a love triangle among the Loud siblings' friends. They all end up at the Loud House often, and the love triangle causes some tension. But through various events at the house, like parties or family outings, they start to understand each other better and resolve their differences in a really sweet way.
One idea could be a time - travel plot where a character from the Loud House goes back in time and has to deal with changes in the family's history. Another could be a 'what if' scenario, like what if Lincoln had a different set of sisters. Maybe he could have all older sisters and the story could explore how that dynamic changes things.
One idea could be a time - travel plot where a character from the present goes back in time to the era when the house was first built and has to adapt to the different living conditions. Another could be a mystery - centered plot, like a hidden treasure is rumored to be in the house and the characters search for it.
One interesting plot idea could be the characters from Hetalia encountering the creepy and often disturbing entities from Creepypasta in a haunted location. For example, Italy might stumble upon Slenderman in a dark forest. Another could be the Hetalia characters being trapped in a Creepypasta - inspired nightmare world where they have to face their worst fears, like Germany facing a horde of Jeff the Killer - like beings. And perhaps the Hetalia nations could be forced to team up with some of the less - malevolent Creepypasta characters to escape a shared threat.
Another plot idea is that there's a rift in the House of Hades that is slowly corrupting the place and they have to find the source of it. Along the way, they face their own inner demons. Annabeth might struggle with her insecurities about being smart enough to solve the mystery, while Percy battles with his fear of not being strong enough to protect Annabeth. As they overcome these personal struggles, they also get closer to solving the problem of the rift.
One idea could be a story about a house - elf who discovers a hidden magic within themselves that allows them to break free from the traditional bonds of servitude. They could then go on a journey to find other house - elves and teach them this new magic.
In a 'Harry Potter in Slytherin House fanfic', Harry could be sorted into Slytherin due to a prophecy that ties his destiny to the house. He then has to navigate the complex politics of Slytherin. There are power struggles among the students, and Harry finds himself in the middle. He tries to use his unique perspective as someone who was expected to be in Gryffindor to bring about a new era in Slytherin, one that values courage as much as cunning.