One possible interesting plotline could be Harry's reasons for breaking the alliance. Maybe he discovers some dark secrets within the alliance that go against his values, like some members being involved in unethical magic practices.
It could also be that the alliance was formed with the wrong intentions from the start. Harry might realize that it was more about power - grabbing than protecting the wizarding world. So, when he breaks it, he has to fight against the remnants of the alliance who want to silence him to keep their true motives hidden.
Obviously, Harry would be one of the main characters. He is the one making the decision to break the alliance, so his character development would be central to the story.
One interesting plotline could be about the different wizarding families uniting to face a new dark threat that the Ministry of Magic is unable or unwilling to handle. For example, the Weasleys, Potters, and Lovegoods might form a more official alliance to combat a group secretly spreading dark magic artifacts. This could involve lots of intrigue as they try to figure out who is behind it while also dealing with their own family dramas.
In 'Harry Potter Family Alliance Fanfic', there could be new magical family traditions that are explored. These might involve special spells or magical objects that are passed down within the allied families. It could also introduce new family relationships, like distant relatives being brought into the story and playing important roles.
One interesting plotline could be Harry's adventures in the afterlife realm where he has to deal with different types of souls. Maybe he meets some souls with unfinished business and tries to help them move on.
Well, one possible interesting plotline could be Harry teaming up with the Autobots to fight a common enemy. Maybe there's a powerful Decepticon that threatens both the wizarding world and the Autobots' home planet, and Harry's magic combined with the Autobots' technology is the key to victory.
Another plotline might involve Harry forming unique alliances with other druids. They could work together to protect an ancient druidic site from dark wizards who want to use its power for evil. This would lead to some exciting battles and magical duels.
Perhaps it focuses on his reasons for becoming a thief. It could be that he was forced into it by some difficult circumstances in his life. Like he was wrongly accused of something and had no way to prove his innocence, so he turned to stealing to survive and seek revenge.
One interesting plotline could be Harry's journey to master new paladin skills. For example, he might have to overcome challenges in a magical forest to find a rare weapon or spell that enhances his paladin abilities.
In 'harry is a king fanfic', a possible plotline is Harry having to deal with a rebellion. He would need to use his wits and leadership skills to quell it. Also, his love life might be intertwined with his role as king, like falling in love with a princess from another land which could have political implications.
One possible plotline could be that after breaking his wings, Aziraphale has to deal with the loss of his angelic powers. He might struggle to fit into the world as he no longer has the same abilities. For example, he may find it difficult to perform simple angelic tasks like protecting a certain area or influencing positive events. Another could be that his relationship with Crowley changes. Crowley might have to take on a more protective role towards Aziraphale, which could lead to some interesting character development for both of them.