Well, one possibility could be Itachi as a wizard in the Harry Potter world. Maybe he'd be in Slytherin due to his cunning nature. He could use his Sharingan abilities in a magical way, like seeing through invisibility cloaks or detecting hidden spells.
In the 'itachi is harry potter fanfiction', Itachi could be a dark wizard who has a change of heart. He starts off on the side of Voldemort but then realizes the error of his ways. He could use his Sharingan to resist the Imperius Curse and then help the Order of the Phoenix in their fight against the Dark Lord.
In some fanfictions, Harry might become a very influential Auror, traveling around the wizarding world to fight dark magic remnants. He could also be involved in reforming the Ministry of Magic, ensuring fairness and equality for all magical beings.
In the fanfiction, Harry squinting at Wormtail might also be a moment of intense focus. Harry could be trying to use his Legilimency skills (if he has developed them in the fanfic world) to read Wormtail's mind. He's squinting as he concentrates, trying to break through any mental defenses Wormtail might have. It could be a crucial moment in the story where Harry's discovery of Wormtail's thoughts could change the course of events.
In such a fanfiction, one possibility could be that Harry Potter defies Dumbledore over the use of certain dark magic items. Maybe Harry believes that Dumbledore is being too cautious and that these items could be used for good in the fight against Voldemort. For example, he might think that the Elder Wand could be harnessed in a different way than Dumbledore anticipates.
Well, one scenario could be that Harry moves out to escape the constant media attention in the wizarding world. He might find a quiet cottage in the countryside where he can practice magic in peace.
One possible scenario could be that Harry needs Hermione's help with something specific in Hogsmeade. Maybe he wants to research a certain magical item in one of the shops there, like Zonko's Joke Shop for some prank - related research or Honeydukes for information on a particular sweet that has a magical property. He knows Hermione is the best person to go with as she's so knowledgeable about all things magical.
One possible scenario could be that the main character discovers they have an unexpected inheritance from a long - lost relative. Maybe it's a powerful magical artifact that has been hidden away in a Gringotts vault for centuries. This could lead to a whole new adventure as they try to figure out the purpose and power of the inheritance.
Maybe they are sitting by the Black Lake. They could be discussing their experiences in the wizarding world. Harry might be talking about his fight against Voldemort, and Luna would be offering her unique, otherworldly perspectives, perhaps comparing Voldemort to some dark magical entity she's heard of in old tales.
In fanfiction, when Harry Potter reveals himself, it could be a moment of great drama. Maybe he reveals his true identity to save his friends from a dangerous enemy. For example, if they are being tricked by a Death Eater in disguise, Harry might step forward and expose himself to stop the harm.
One possible plotline could be that Harry, like Itachi, is forced to make difficult decisions for the greater good. For example, he might have to keep secrets from his friends to protect them from a greater evil, just as Itachi did in his story. He could also display Itachi - like calmness and intelligence in the face of danger, using his wits rather than brute force to solve problems.
In the 'Harry Potter after the war story', perhaps Harry and his friends would focus on reforming the wizarding world's laws. There were a lot of unjust laws and practices that were brought to light during the war. They could work towards a more inclusive and fair society for all wizards and witches, regardless of blood status.