If Harry takes control, he would ensure the safety of all students. He has faced so many threats at Hogwarts, so he'd strengthen the security. He might set up new wards and have more regular patrols. And he'd be very strict about the Forbidden Forest, making sure students don't go there without permission.
Well, it could be that Harry takes control through magical means in the fanfic. Maybe he discovers a powerful spell or artifact that gives him the authority over Hogwarts. This could be something like an ancient charm that was once used to govern the school and he manages to unlock its power, thus taking over the reins of the school.
Obviously, Harry Potter is the main character as it's about him taking control. Hermione Granger is likely to be an important character as well, she would probably be by Harry's side, offering her intelligence and support.
Obviously, Harry Potter is a main character as the title implies. But usually, his friends like Hermione and Ron are also likely to be important. They would be there to support Harry in his new role of taking control.
Well, in a 'Harry Potter takes control fanfic', it usually means that Harry Potter is portrayed in a more dominant or in - control role compared to the original series. Maybe he takes charge of situations earlier, or has more power over his destiny.
Perhaps Harry takes control in a way that he unites different wizarding factions that were previously at odds. He could use his influence to promote peace and cooperation among them, leading to a more harmonious wizarding world.
One challenge could be resistance from the existing authority. There might be some teachers or administrators who don't want to give up their power easily. They may see Harry as too young or inexperienced.
In the 'Harry Takes Control of His Life Fanfic', he could be facing challenges that force him to take charge. For example, a new dark threat emerges and he decides to form his own group to combat it instead of relying on the existing Order of the Phoenix. He might also take control of his own emotions, like dealing with his anger towards Snape in a more assertive and mature way.
Obviously, Harry would be the main character. He is the one taking control of his life. Hermione and Ron would most likely be important characters too as they are Harry's closest friends and would be involved in his journey. Dumbledore could also play a role, perhaps as a mentor figure that Harry starts to question and break away from as he takes more control.
In a fanfic where Harry Potter takes control of Gringotts, there are numerous possibilities. He could use the influence of the bank to unite the wizarding community. For example, by providing loans or financial support to small magical businesses that were affected by the war. He could also use the ancient magic and artifacts stored in the vaults for research purposes, to further understand the history and magic of the wizarding world. This could lead to new spells and magical techniques being discovered. Also, he might be able to set up a system to monitor the flow of dark magic items in and out of the vaults, thus making the wizarding world a safer place.