In this fanfiction, it could be that Harry takes over the House of Potter to restore its former glory. He might have to deal with dark forces that have been lurking around the property, and he uses his skills and the help of his friends to cleanse it. Maybe he uncovers a plot against the wizarding world that was somehow connected to his family's house, and he has to prevent it from coming to fruition.
It could be that after the war, Harry decides to take over the House of Potter as a way to move forward. He starts to explore the house and realizes that there are rooms and passages that no one has used in ages. As he delves deeper, he finds old portraits of his ancestors that start to give him advice on how to be a better wizard and how to protect the wizarding world in a more profound way. He might also find a library filled with rare and dark magic books that he has to figure out how to handle, whether to keep them safe or destroy them.
There could be some antagonists as well. Maybe some dark wizards who were enemies of the Potter family in the past and are still lurking around the house, trying to stop Harry from taking full control. There might also be some Ministry of Magic officials who are interested in the House of Potter for various reasons, such as the possible presence of powerful magic items. And Neville Longbottom could also be involved, as he was a key figure in the fight against Voldemort and could be there to support Harry in this new adventure.
If Harry takes over the Ministry in the fanfiction, he could use his experience to better protect the wizarding world. He has faced Voldemort, so he knows the importance of unity. He would probably encourage more cooperation between different wizarding communities. He could also use his popularity to inspire young wizards and witches to be more involved in making the wizarding world a better place, like starting volunteer programs within the Ministry.
Well, he might start by changing all the unfair rules she had imposed at Hogwarts. He could bring back the fun and freedom in the school, like allowing students to form their own clubs again.
Well, he might start by reforming the House system. Maybe he'd make it more inclusive and less competitive. He could also introduce new classes that focus on practical magic for real - world situations.
In such a fanfiction, perhaps Harry Potter could use his magic to bring about major political changes across the world. He might establish a new global wizarding order where magic and Muggle affairs are more intertwined. For example, he could introduce magical solutions to global problems like climate change, using spells to clean the air or water.
In this fanfiction, the plot might involve Harry facing challenges that are a blend of the magical world and the MCAT world. For example, he might have to deal with a dark wizard who tries to disrupt the MCAT to stop wizards from integrating into the Muggle academic world. Harry then has to protect the exam while also taking it himself. He might use his Patronus to ward off the dark magic and then quickly get back to answering questions about biology and chemistry, all with a touch of his Hogwarts - taught knowledge.
Well, it could be that the snake is a magical snake that was being hunted by some dark wizards. Harry takes it in out of kindness. The snake then forms a bond with Harry and becomes like his secret helper. For example, it could slither into places Harry can't go and gather information for him.
Well, maybe Harry discovers an injured snake in the Forbidden Forest. He decides to take it back to the Gryffindor common room and hides it in his trunk. He uses his magic to heal the snake and then starts to feed it small magical creatures. Eventually, the snake becomes his secret pet and helps him out in some tricky situations, like warning him of approaching danger.
Maybe Harry discovers a baby snake in the Forbidden Forest and decides to take it under his wing. He could use his Parseltongue ability to communicate with it and keep it hidden from the other students and teachers.
One possible plot could be that after the death of Dumbledore and with the Order of the Phoenix in disarray, Harry decides to go into hiding alone. He uses his skills in magic, like the Patronus charm for protection and the Invisibility Cloak to avoid detection. He might start to forage for his own food in the Forbidden Forest, using magic to find edible plants and hunt small magical creatures in a humane way. He also spends his time studying advanced magic on his own to become stronger, preparing for the final battle against Voldemort.