The plot could center around Harry finding a mysterious spell that transports him to the 1940s. Once there, he discovers that the actions of a certain dark wizard in that era are linked to future threats he faced in his own time. So, he tries to stop this dark wizard's plans.
Well, it could be that Harry is pulled back in time to the 1940s by a powerful magic force. In this time period, he realizes that the seeds of the discrimination between pure - bloods and non - pure - bloods were being sown deeply. He decides to use his influence to promote equality among wizards, which has a ripple effect on the future wizarding world he knows.
Perhaps Harry Potter travels back in time and, for some reason, makes a deal with the dark side. He might be tricked into believing that by siding with Voldemort in the past, he can save more lives in the future. This betrayal could lead to a whole new chain of events, changing the relationships he has with his friends like Ron and Hermione.
In this fanfiction, the plot might revolve around Harry's transformation into a mob boss during time travel. He could discover that the wizarding world has a seedy underbelly that was hidden from him before. Harry may start to use his magic in new and unethical ways to gain power. He might face challenges from other powerful wizards who don't want a new player in the mob scene. His friends, like Hermione and Ron, could be conflicted about whether to support him or try to stop his descent into the dark side of the wizarding world.
Another idea is that they travel to a time just after the end of the First Wizarding War. There is chaos and rebuilding going on. Harry and Teddy could be on a mission to retrieve a powerful magical artifact that was lost during the war. Along the way, they meet survivors of the war and learn about the true cost of the conflict. Teddy, who has grown up in a post - Voldemort world, is deeply affected by the stories of those who lived through the dark times.
Perhaps in the fanfic, Amelia Bones discovers a time - traveling device. She decides to go back in time to save her family members who were killed by Death Eaters. In the past, she meets Harry Potter's parents, Lily and James. They become friends and work together to fight against the early threats of Voldemort. When she returns to her own time, she has new knowledge and power that she gained from the past. This changes her perspective and makes her a more formidable force in the fight against the remaining Death Eaters in her own time.
The plot could be that Harry, while exploring the Forbidden Forest, stumbles upon a time - traveling portal and is transported to a time when sand phoenixes roamed freely. He befriends a young sand phoenix and realizes that it is being hunted by an evil sorcerer. Harry decides to protect the sand phoenix and in the process, discovers a way to use the sand phoenix's time - warping abilities to fix some of the past mistakes in the wizarding world.
A simple way could be through a magical time - turning device. The protagonist finds it and accidentally activates it, landing them in the past with Tom. They become friends because the protagonist has some unique knowledge or skill that interests Tom.
Maybe Harry travels back in time and realizes he is Godric in a past life. He then uses his knowledge from the future to change some events in Godric's time, which in turn has a big impact on the future of the wizarding world he came from.
In this fanfiction, it might be that a powerful dark magic spell backfires and freezes Harry in time. His friends, Hermione and Ron, would then embark on a journey to find ancient magic that can reverse the spell. They might have to search through old wizarding libraries and consult with long - forgotten magical creatures. This would be a great adventure full of mystery and discovery. Also, they would face many challenges along the way, like avoiding the Ministry of Magic which might want to study Harry in his frozen state instead of helping him.
Here are some recommendations for novels about Harry Potter's time travel: 1. Hogwarts Again: The story takes place twenty-one years after Harry Potter defeated Voldemort, and the protagonist is Maureen. 2. Hogwarts: From the Squib to the Supreme: The protagonist travels to the world of Harry Potter and a new soul is born. 3. "Stay Away from Me, Potter" tells the story of Chen Ping crossing into the world of Harry Potter, but he is determined to stay away from Harry Potter. 4. The Evil Gods of Hogwarts, Harry Potter's Super Archmage, An Infinite Journey from Hogwarts, Days at Hogwarts, and Master Dragon-Roar at Hogwarts: These novels were all about the heroine's time travel through Harry Potter. Please note that the recommended novels have different plots. You can choose to read them according to your preferences.
Perhaps Harry Potter travels back in time and ends up befriending a younger Bellatrix. He could try to influence her to not become a Death Eater. This would create a really complex situation because he has to balance not changing too much of the future while also trying to save her from the dark path. It could lead to some really intense moments where Harry has to hide his true identity and motives from her.