The fanfic could be about Harry flying a helicopter in a race. He has to compete against other skilled pilots. He faces various challenges during the race like bad weather and mechanical problems but manages to overcome them with his skills.
There could be a mechanic named Tom. He helps Harry keep his helicopter in top shape. Whenever Harry has a problem with the helicopter, Tom is there to fix it.
Well, in this fanfiction, perhaps Harry Potter uses magic to control the Stutka in some wild and imaginative ways. He might be on a mission where the Stutka gives him an advantage, like flying over Hogwarts to spot some hidden danger. Maybe he has to adapt his usual flying skills to handle this new, strange flying object.
One possible plot could be that Harry discovers his passion for cooking in a magical kitchen at Hogwarts. He starts experimenting with different magical ingredients and creates unique dishes that even the house - elves are impressed by.
One possible plot could be that Harry, after a difficult battle in the wizarding world, stumbles upon Deadpool's adventures in the muggle world. He becomes obsessed with Deadpool's carefree yet effective way of fighting. So, he starts training himself in a similar style and uses it to outwit his enemies in Hogwarts.
The plot could involve Harry arriving in Skyrim and being mistaken for a powerful mage. He gets caught up in the political intrigue of the different factions in Skyrim. For instance, the Stormcloaks might try to recruit him because they think his magic can give them an advantage in the civil war. Meanwhile, he's also trying to find a way back to his own world.
Maybe it's about Harry being wrongly accused and his fight to prove his innocence while in jail. He could be making friends with some unlikely characters in the jail who help him in his quest.
Maybe Harry somehow gets transformed into a fawn or has a connection with a fawn. It could be a magical adventure where he has to navigate the world as a fawn or protect the fawn from some sort of danger.
Well, it could be that Harry somehow gets transported to Middle - earth and becomes Sauron. Maybe he has to deal with the power and the evil associated with being Sauron while still having some of his Harry Potter traits, like his sense of loyalty and courage, which could create an internal struggle.
The plot could involve Harry being reincarnated as Lelouch. He would bring his sense of justice from the wizarding world. He might use his Parseltongue ability to communicate with the Geass users in a unique way. And he could introduce magic into the Code Geass world, which would completely disrupt the existing power structures. For instance, the Emperor might see Harry's magic as a new threat and try to either control or eliminate him. At the same time, Harry could try to use Lelouch's influence to make the wizarding world more accepting of different species, just as Lelouch was trying to change the world in his own way.
One possibility is that Harry is escaping from some danger in the wizarding world. He boards the ship to get as far away as possible. While on the ship, he discovers that the ship has its own secrets and magic. He gets involved in the ship's internal affairs, like helping the crew deal with a curse that has been plaguing them.