Well, Teddy might end up falling in love with someone from a different era. In fanfiction, time travel often leads to unexpected romances. He could meet a witch or wizard from the past and start a relationship that changes his view of love and family.
He could change the outcome of the war. If Teddy went back in time, he might be able to tip the balance in the fight against Voldemort. He could use his knowledge of advanced magic from his own time to outwit the Death Eaters.
Teddy Lupin's time travel could have a significant impact on the wizarding world's future. He could introduce new magical concepts or technologies that were developed after the events of the original series. This could revolutionize the way magic is used and taught in the wizarding world, making it a much more advanced and different place than it was in the original timeline.
Well, perhaps in the fanfiction, Harry adopts Teddy Lupin right after the Battle of Hogwarts. Teddy is just a baby then. Harry, who has lost so many people, sees Teddy as a new beginning. He might face challenges from the wizarding community as some may question his ability to raise Teddy. But Harry, with the help of his friends like Hermione and Ron, overcomes these difficulties and Teddy grows up to be a strong and kind wizard.
Well, Teddy might be shocked by the Dursleys' coldness at first. He could show them some magic in a very subtle way, just to see their reactions.
Well, Teddy could learn a great deal about his family's history from the members of the Order. Maybe he'd discover some hidden secrets or untold stories.
In some Harry Potter fanfictions about Teddy Lupin's time travel, he might go back to prevent certain tragedies. For example, he could try to save his father Remus Lupin from the final battle. He might use his knowledge of the future to change the course of events, perhaps by warning the Order of Phoenix earlier about Voldemort's plans.
Well, one possibility is that Teddy, being the son of Remus Lupin, would likely be filled with a sense of justice. He might immediately be on guard around Umbridge. Since Umbridge was known for her cruel and unjust ways at Hogwarts. Teddy could use his Metamorphmagus abilities to play tricks on her, like changing his appearance to something that scares her when she's being particularly mean.
There's a fanfic called 'Teddy Lupin: The Next Generation'. This one delves into Teddy's role in the post - Voldemort wizarding world. It details how he uses his unique abilities, being a Metamorphmagus, to solve various mysteries around Hogwarts. It's full of action and interesting character interactions.
Some fanfictions explore Teddy Lupin's time at Hogwarts in a more emotional way. He could struggle with feeling different because of his werewolf heritage. Harry, having faced his own share of hardships, could be there to support him. These stories often show how Teddy grows as a wizard and a person, with Harry being an important influence in his life.
In the fanfiction, it could be that Harry is taking Teddy away to protect him from something. There might be a new threat emerging in the wizarding world, and Harry, with his experience, decides to keep Teddy safe by leaving with him. They could end up at a secret location, where Harry starts to train Teddy in advanced magic, sharing all his knowledge and skills.
It could be one of his professors. If Teddy was constantly late to class or not doing his homework, a strict professor like Professor McGonagall might send a Howler to set him straight.
A really unique fanfiction involves Teddy Lupin having visions of a future that is not so bright for the wizarding world. He enlists the help of Harry Potter to change the course of events. Along the way, they discover secrets about the magic that was long forgotten. This story not only has an interesting plot but also delves deep into the magic system and the relationship between Teddy and Harry.