A common plot is that there are hidden secrets within the Hell House. For example, it could be built on an ancient burial ground or a site of a great tragedy. Characters in the fanfiction might find old diaries or artifacts that lead them deeper into the mystery of the house. They then have to deal with the supernatural manifestations that are trying to protect these secrets, like apparitions that attack them or strange noises that drive them to the brink of madness.
In some Hell House supernatural fanfiction, there might be a plot where a young, inexperienced medium is lured to the Hell House. The house tries to use the medium's power to break free from some ancient curse or seal. As the medium discovers the true horror of the house, they must fight against its influence and find a way to escape while also learning more about their own powers.
One popular character type is the fearless ghost hunter. They are usually well - equipped with all kinds of high - tech and supernatural gadgets. They are brave and not easily scared, always ready to face whatever horrors the Hell House throws at them.
One interesting 'Knight of Hell' fanfiction story could be about a Knight of Hell who decides to rebel against their dark nature. They might start helping the Winchesters secretly, adding a new layer of mystery and intrigue to the Supernatural world.
Well, in some fanfictions, the Queen of Hell might be involved in a love triangle with a main character from Supernatural and another supernatural being. This could lead to all sorts of drama and conflict, as her power and influence would surely disrupt the normal relationships in the story. Also, there could be a plot where she tries to rewrite the rules of Hell, causing chaos both in Hell and on Earth.
One interesting plot could be the Winchester brothers finally achieving a permanent peace in the afterlife. They've been through so much in the series, and in the fanfiction, they might get to rest without any new threats.
Maybe there's a plot where a powerful supernatural being from the Supernatural world is drawn to the energy of the Teamiplier crew. So Sam and Dean have to protect them while also trying to figure out how to send this being back. It would involve a lot of investigation, some tense moments when the being is close to the Teamiplier guys, and some cool action scenes with Sam and Dean fighting it off.
One interesting plot could be that the Supergirl characters find themselves in the Supernatural universe. Maybe Kara has to deal with demons and angels while trying to find a way back to her own world. She could team up with Sam and Dean to fight a common enemy, like a powerful demon who has a vendetta against both the Supernatural world and Kryptonians.
Another plot could be that he is captured by a group of hunters who plan to keep him powerless. They try to use him as a bargaining chip with other demons or angels. But Lucifer, being clever even without his powers, tries to turn the situation around and manipulate the hunters to his advantage.
Perhaps in some fanfiction, a character from Supernatural has a premonition about the Titanic sinking. They then try to use their powers to change the fate of the ship. This could involve trying to warn the crew or using magic to prevent the iceberg collision. There could be a lot of drama as they face resistance from those who don't believe them.
One common plot is exploring what could have happened if Madison had survived. Maybe she and Sam could have had a life together away from the hunting world, like living in a small town and trying to be normal.
In many fanfictions, Dean as a Knight of Hell can bring a whole new dynamic to the Supernatural universe. His relationships with other characters, like Sam, would be severely tested. He could be seen as a threat by some and a potential ally by others who hope to control or redeem him.