One possible plot twist could be that Amelia Bones, being a highly respected figure in the wizarding world, has a secret past that somehow affects Harry's journey. Maybe she was involved in some sort of pre - Voldemort plot that resurfaces when she takes in Harry. This could lead to Harry having to deal with new enemies and allies that are related to Amelia's past.
Harry might be more confident in the wizarding world's political and legal systems. Since Amelia Bones is associated with the Ministry of Magic, he would be exposed to those aspects from a young age. For example, he would understand the inner workings of the Ministry better than in the original story, which could make him more of a rule - abiding but also a more politically - savvy character.
One possible main plotline could be Harry growing up in a more strict but fair environment under Amelia Bones. He might be trained more rigorously in magic from an early age, which could make him an even more powerful wizard. Another could be his relationship with the Bones family and how that shapes his view of the wizarding world. For example, he might have different friends and allies compared to in the original series.
The contrast between them. Harry is the famous hero, while Amelia Bones is a more behind - the - scenes Ministry figure. Their different backgrounds make their potential relationship full of intrigue.
Harry's character would develop a greater sense of justice and order. Amelia Bones is associated with the Ministry of Magic and upholds the law. Harry would grow up with a stronger understanding of the wizarding legal system. He might also be more diplomatic in his approach to problems, having learned from Amelia's way of handling things in the wizarding community.
A major theme is the exploration of love in a world filled with magic and danger. Their relationship might be seen as a beacon of hope in the darker times of the wizarding world. There's also the theme of identity. How does their relationship affect who they are? Amelia might be seen differently in the Ministry if she's in a relationship with Harry Potter, and Harry might have to re - evaluate his place in the wizarding world with Amelia by his side.
One possible plotline could be them working together on a dangerous mission in the wizarding world. They gradually develop feelings for each other as they face various challenges and rely on each other's skills. Another could be that Amelia Bones discovers some long - hidden secret about Harry's past that brings them closer. Or perhaps there's a plot where they are forced to pretend to be in a relationship for some political or magical reason in the wizarding community, and then real feelings start to develop.
It could be a dark wizard who has infiltrated the Ministry of Magic. This antagonist might be trying to undermine Amelia Bones' work and also target Harry for his fame and power.
Amelia Bones might confront the abusers directly. If it's the Dursleys, she would give them a stern warning or even use magic to make sure they can't harm Harry anymore. She could also arrange for Harry to have proper magical education away from the negative environment he was in, so he can grow and develop his skills without fear.