A different plotline might involve a romantic relationship between Harry and Tonks, which is a big deviation from the original series. They could face many challenges together, like dealing with the disapproval of the wizarding community due to their age difference or their different social standings in the wizarding world. This kind of relationship would also bring about changes in their relationships with other characters.
One interesting plotline could be Harry and Tonks teaming up for a secret mission in the wizarding world that was not part of the original story. Maybe they have to infiltrate a dark wizard's lair.
In some alternative fanfictions, a possible plotline is that Tonks uses her Metamorphmagus abilities in a unique way to help Harry in his fight against Voldemort. For example, she could disguise as someone important to get crucial information. There are also fanfictions where Harry discovers a new magical power within himself with the help of Tonks, which changes the whole dynamic of the fight against the dark forces.
One possible plotline could be Harry and Tonks teaming up with the members of the harem to face a new dark wizard threat. They might use their combined magical abilities and unique relationships to outwit the enemy.
One possible plotline could be how Harry and Tonks navigate their different personalities. Harry is often seen as serious and determined, while Tonks is more carefree and fun - loving. Their relationship might start with some misunderstandings due to these differences but then grow into a deep understanding and love. Another plotline could involve how they deal with the wizarding world's reaction to their union, as it's quite an unexpected pairing. Some might oppose it, while others might see it as a new beginning for the wizarding community.
One interesting plotline could be how they deal with the challenges of their different personalities. Harry is often seen as serious and determined, while Tonks is more carefree and fun - loving. Their marriage might involve a lot of humorous misunderstandings at first as they learn to live together. For example, Tonks might play pranks on Harry that he initially doesn't take well but then learns to enjoy.
One interesting plotline could be about Tonks facing the challenges of being pregnant during a time of great turmoil in the wizarding world. Maybe she has to hide her pregnancy to protect herself and the unborn child from the dark forces. Another could be how her relationship with other characters, like Lupin, evolves during her pregnancy, as they deal with the prejudices against werewolves and the danger that surrounds them.
Well, a plotline might involve Tonks using her Metamorphmagus abilities to secretly meet Harry in different disguises. This adds an element of mystery and fun to their relationship. They could also be sharing secrets about their past traumas, like Harry's experiences with Voldemort and Tonks' insecurities, which deepens their bond on a more emotional level. Maybe there's a sub - plot where they have to keep their relationship from Tonks' family, especially her Auror colleagues who might not approve.
One interesting plotline could be Tonks using her Metamorphmagus abilities to help Harry in his undercover missions. For example, she could change her appearance to distract the Death Eaters while Harry sneaks into a place. Another could be Tonks teaching Harry about the less - known magic that her family specializes in.
In this fanfiction, a plotline could center around the cultural differences between Fleur (being part - Veela) and Tonks (a Metamorphmagus). Harry would have to navigate these differences as they raise their children together. There could also be a plotline about the training and upbringing of the children, as they are likely to be very powerful with Harry as their father, and how this will shape the wizarding world in the future.
One interesting plotline could be Tonks trying to fit into the complex and often dark Black family traditions while still maintaining her own identity. She might struggle with the family's views on blood purity and her own more inclusive beliefs.
Another plotline could be Tonks mentoring Harry in the use of certain magical skills that are unique to her. Maybe she teaches him how to communicate with magical creatures in a way that is different from what he learned at Hogwarts. This could lead to them going on adventures together in the Forbidden Forest or other magical places in the wizarding world.
One popular plotline could be Harry traveling back in time to prevent certain tragedies in Tonks' life. For example, he might try to stop her from being killed in the Battle of Hogwarts. Another could be Tonks traveling to a time in Harry's past to offer her unique magical abilities to help him in his early struggles against Voldemort. And sometimes, they both might travel back to a crucial moment in wizarding history to change the course of events that led to Voldemort's rise in the first place.