What are some interesting stories in Harry Potter underground fanfiction?

One idea could be that Sonic and his siblings get transported into the Harry Potter universe. They could use their speed and musical powers to help Harry and his friends in their battles against Voldemort. For example, Sonic could quickly deliver important messages or objects across Hogwarts while his siblings use their music to soothe or even temporarily stun the dark creatures.

There might be a fanfiction where Sonic, Sonia, and Manic team up with some unexpected allies from other Sonic series. For example, they could join forces with Tails and Knuckles to face a super - powerful villain that none of them could defeat alone. This would bring a fresh dynamic to the Sonic Underground universe.

One interesting Harry Potter fanfiction could be about an alternate universe where Harry is sorted into Slytherin. This changes his whole dynamic as he has to navigate the house known for its cunning while still having his moral compass intact. Another might be a story where Hermione discovers a new branch of magic that has been long forgotten, and she uses it to solve a mystery in Hogwarts. There are also those that explore the backstories of minor characters, like Neville's grandmother and her adventures during her time at Hogwarts.

There are many great 'Harry Potter' fanfiction stories. For example, some focus on alternative universes where the characters have different destinies. There are fanfictions that explore what would happen if Harry was sorted into Slytherin instead of Gryffindor. It could lead to a whole new set of friendships and rivalries, and a different path in his fight against Voldemort.

One interesting Harry Potter fanfiction could be about an alternate universe where Harry is sorted into Slytherin. It shows a different side of his character development as he has to navigate the house known for its cunning. Another great one might be a story that focuses on the Marauders' time at Hogwarts in more detail, exploring their pranks and friendships deeper.

One interesting Harry Potter fanfiction could be those that explore alternate universes, like 'The Harry Potter Who Lived'. It shows a different path for Harry where he makes different choices. Another great one might be fanfics that focus on the backstories of minor characters, for example, a story about Neville's parents before they were tortured. There are also fanfictions that pair unexpected characters in relationships, which can be really fascinating to read.

One interesting Harry Potter fanfiction could be a story where Harry discovers a hidden magical ability that was not explored in the original books. For example, the power to communicate with magical creatures on a deeper level, allowing him to gain new allies in the fight against Voldemort.

One interesting Harry Potter fanfiction could be a story that explores what would happen if Harry had been sorted into Slytherin instead of Gryffindor. It could show his struggle to fit in with the Slytherin values while still holding onto his own sense of right and wrong.

One interesting story could be about Lily Potter's early life at Hogwarts before she met James. Maybe it shows her friendships and how she was developing her magic skills. Another could be a story where Harry Potter gets to time - travel and meet his mother Lily as a young witch. It could explore their relationship in a new way, like Harry learning from her directly about the Potter family secrets.

In some fanfictions, Harry Hook might form an unlikely alliance with characters from the original Harry Potter series. For example, he could team up with Neville Longbottom to stop a group of rogue Slytherins from causing chaos in the school. This would be an interesting dynamic as they come from different backgrounds within the wizarding world.