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 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.
An 'emerald alliance harry fanfic' could be a story where an alliance is formed within the world of Harry Potter that is associated with the emerald in some way. It could be that the emerald has some sort of power or significance, and the characters in the fanfic are either trying to protect it, use it, or are being affected by it. For example, it could be an alliance of wizards who are trying to keep an emerald - powered dark magic at bay.
I'm not sure specifically what this 'emerald alliance harry fanfic' is about as there could be many different interpretations. It might be a fan - created story about Harry that involves an 'emerald alliance' which could be a group, an organization, or some sort of magical bond in the context of the Harry Potter universe.
One common theme could be power struggle. Since Voldemort is all about power and Harry is his main obstacle, when Voldemort 'breaks' Harry, it shows a shift in the power dynamic.
The main characters in an 'emerald alliance harry fanfic' are hard to determine without reading it. However, it's likely to have a mix of original and new characters. There could be a character who is an outcast in the wizarding world but has unique knowledge about emeralds and becomes a key figure in the alliance. Harry could be a central figure if the story ties in closely with his adventures, or it could be a completely different set of characters who are driving the plot forward around the concept of the emerald alliance.
Well, without actually reading it, it could be about Harry being de - aged and having some sort of adventure within an emerald alliance. Maybe it's a story where the de - aged Harry has to face new challenges, make new friends or enemies within the context of this alliance. It might also explore how his de - aged state affects his magic and relationships.
In the 'Harry breaks his wand fanfic', perhaps Harry will struggle a great deal. Without his wand, he might have to rely on his non - magical skills and knowledge more. He could be in a very dangerous situation in the wizarding world where magic is often a means of defense and problem - solving.
Maybe he discovers a new form of magic while breaking the rules. It could be something that was forgotten or forbidden. He might then have to decide whether to keep it a secret or share it with his friends and professors. This could lead to a whole new adventure as he tries to understand and control this new magic, all while avoiding getting caught by the authorities.