Perhaps the trio stumbles upon a prophecy that predicts the end of the wizarding world. They then have to search for clues all over the wizarding and Muggle worlds to stop this from happening. They might also encounter a group of rogue wizards who are trying to use dark magic to create a new world order, and the trio has to stop them before it's too late.
One idea could be a time - travel plot where the Golden Trio goes back in time to prevent certain dark events from ever happening. They could change the course of history and save many lives. Another could be a story where they have to face a new, powerful dark wizard who is even more cunning than Voldemort, and they have to rely on their unique skills and friendship to defeat him.
One idea could be that the Terrible Trio targets Gotham's new high - tech research facilities. They plan to steal advanced technology to enhance their own criminal operations. Another plot could involve the Trio teaming up with a new, mysterious villain who has a vendetta against Batman and using their combined skills to try and finally defeat him. A third plot might be that the Trio discovers Batman's secret identity and tries to use it to blackmail him into leaving Gotham.
Maybe a story where they team up with some of the more heroic characters in the Undertale world to face a common enemy. It would be interesting to see how their personalities clash and blend during the cooperation. For example, they might initially have different approaches to fighting the enemy, but gradually learn from each other.
One idea could be exploring the origin of the Creation Trio's powers. Maybe they got their powers from an ancient and mysterious Pokemon or a powerful energy source in the Pokemon world. Another idea is to have them face a new, powerful enemy that threatens the balance of the Pokemon universe, and they have to combine their unique abilities to defeat it.
The 'dark trio' in the fanfiction might bring out different character traits. Maybe they show a more cunning side of the characters. It could also be interesting to see how they deal with the magical world in a more self - serving way, rather than the more heroic ways in the original series.
One interesting fanfiction could be about the Golden Trio's adventures during a gap year. They might explore new magical places that were not mentioned in the original books. Another could be a story where they have to solve a mystery within Hogwarts that is related to an ancient magic artifact.
One interesting 'golden trio harry potter fanfiction' is 'The Golden Trio's Next Adventure'. It takes place right after the events of the original series and has them facing a new dark wizard threat. Another is 'Golden Trio: Time Travelers' where they go back in time to change some crucial events in the wizarding world's history. There's also 'The Golden Trio and the Lost Artifact' which focuses on their search for a powerful, long - lost magical item.
A great plot for a Potter Manor fanfiction could involve a mystery that surrounds the manor. For instance, strange noises at night lead Harry to uncover a long - forgotten chamber. It could also be about Harry restoring the manor to its former glory, perhaps with the help of Hermione's research on ancient magic used in the construction of such manors.
One interesting plot idea could be exploring what would happen if Harry had a different upbringing, like being raised by the Malfoys. It would completely change his view of the wizarding world and his relationships. Another idea might be a time - travel fanfic where Harry goes back to the Marauders' era and interacts with his parents and their friends. This could lead to him preventing certain tragedies or changing the future in unexpected ways. And then there's the concept of a fanfic where the roles are reversed, and Voldemort is the one trying to protect the wizarding world from a greater evil, with Harry being the main antagonist.
A traveler could be from a different magical realm entirely and come to the Harry Potter universe. They bring with them unique magical abilities that both fascinate and frighten the wizards in the Harry Potter world. This could lead to a series of adventures where they either share their knowledge or are hunted down by those who fear the new magic they possess.