What are some good Harry Potter powerful time travel fanfictions?

In many of these fanfictions, time travel often works through magical objects like the Time - Turner. But some take creative liberties. For example, in some, a powerful spell is cast that sends the characters back. They can then use their knowledge of the future to make changes. The power of time travel lies in the ability to rewrite history, which often has major consequences for the wizarding world.

One great Harry Potter time travel fanfiction is 'All the Wrong Choices'. It takes Harry back in time and he has to navigate through his past while trying not to change too much. Another is 'Time Turner'. In this one, the use of the time - turner is explored in a really interesting way, with Harry facing different challenges in different time periods. And 'Back to the Beginning' is also a popular one where Harry goes back to his early years at Hogwarts and has a chance to redo things and make different choices.

One great 'Harry Potter' time travel fanfiction is 'A Marauder's Plan'. It has an interesting plot where the characters use time travel in unexpected ways. The characterizations are well - done, staying true to the original series.

One great time travel Harry Potter fanfiction is 'A Time to Remember'. It takes Harry back in time and he gets to interact with his parents in a really interesting way. Another is 'Time's Twist' which has a unique take on how time travel affects the wizarding world's history. And 'Back in Time, Potter' where Harry uses time travel to prevent some of the darker events from happening in a very creative and engaging plot.

A cool Slytherin time - travel fanfiction is the one where a Slytherin student accidentally travels back to the founding of Hogwarts. They meet the four founders and have to prove themselves worthy as a Slytherin. They also get to influence the way Slytherin house is set up from the very beginning, adding in some modern - day Slytherin values like ambition for knowledge rather than just for power.

There's also 'The Enchanted Apprentice'. This fanfic has an OC who is apprenticed to a powerful wizard. The OC's journey to master magic is filled with challenges and adventures. The story does a great job of integrating the OC into the existing 'Harry Potter' world, with interactions with beloved characters like Harry, Hermione, and Ron.

There's 'Aurora of the Patronus'. It focuses on a group of young witches and wizards who, through their combined efforts and strong patronuses, fend off a dark force that threatens Hogwarts. The descriptions of the patronuses are vivid and make the story very exciting.

Well, 'Harry Potter and the Ascension of the Dark Lord' is an interesting one. It gives a different perspective on what could have happened if Voldemort had achieved his goals in a more complex way. Then there's 'Powerful Lords of Hogwarts' which features various characters attaining great power and the political and magical intrigue that follows. And 'The Potter's Dark Dominion' is a fanfic where Harry is sort of corrupted by power and the story unfolds from there, showing a very different side of the Harry Potter world.

One great 'Harry Potter powerful Auror' fanfiction is 'The Auror's Ascent'. It follows Harry as he quickly rises through the ranks of the Aurors, facing new and dangerous dark wizards. Another one is 'Auror Potter's Legacy' which shows how Harry uses his skills to train a new generation of Aurors. And 'Powerful Auror, Hidden Secrets' is also interesting as it delves into the secrets Harry discovers while on Auror missions.

One interesting fanfiction could be where a modern - day Hogwarts student time - travels back to the founders' era and gets involved in the creation of the houses. They might witness the founders' different personalities and how they decided on the characteristics for each house.