Well, perhaps Harry discovers a magical creature in the Forbidden Forest that becomes his familiar. It could be a small dragon-like creature that only he can communicate with, and it helps him find hidden secrets in Hogwarts.
In this fanfiction, Harry might get a familiar that is a shape - shifting animal. It starts as a cat, but when in danger, it can transform into a powerful griffin. This familiar would assist Harry in his battles against Voldemort and his Death Eaters. It could also use its shape - shifting ability to spy on the enemy and bring back crucial information to Harry.
One possibility is that Harry gets a familiar that is a spirit - like entity. This familiar has the power to enter the minds of others. So, when Harry is trying to figure out the motives of Snape or other suspicious characters, the familiar can explore their thoughts and report back to Harry. It could also protect Harry from mental attacks, like the Imperius Curse, by creating a shield around his mind.
It could be an amateur writer who is a huge Harry Potter fan and has a creative idea about Harry having a familiar. There are so many fans out there who like to write their own stories based on the wizarding world.
Well, perhaps the plot could involve Harry finding a dragon egg and raising the dragon as his familiar. This would bring a whole new set of adventures as he has to hide the dragon from the Hogwarts faculty who might not be too keen on a dragon on campus. He could also use the dragon's special abilities to his advantage in his battles against Voldemort.
The main antagonist could be the Ministry of Magic if they view the succubus as a dangerous and uncontrollable creature. They might try to separate Harry from his familiar, and in the process, become the main force that Harry has to oppose.
The plot could involve the wolf familiar helping Harry in his battles against Voldemort. Maybe the wolf has special senses that can detect dark magic, allowing Harry to be one step ahead. For example, it could sniff out Death Eaters' hiding places.
One possible plot could be a young wizard accidentally summons a sucubus as a familiar. The sucubus, instead of being purely malevolent, has her own motives and secrets. She could help the wizard in his adventures at Hogwarts while also causing some chaos due to her nature. For example, she might use her charm to get out of tricky situations or to get information from other students or teachers, but this also gets the wizard into some trouble with the school authorities.
In a 'Harry Potter Nekomata Familiar' fanfiction, the plot could involve the nekomata being a messenger from another magical realm. It comes to Harry because he has a special destiny. The nekomata familiar could help Harry communicate with magical creatures that he couldn't before, like the centaurs in a more in - depth way. It could also be a key to unlocking a new form of magic that Voldemort is also after, so Harry has to protect it while using its powers to fight against the Dark Lord.
In a 'Harry Potter gets emancipated' fanfiction, the plot could involve Harry getting emancipated due to his special status as the Boy Who Lived. With his emancipation, he could take charge of his own finances, which were a mess in the hands of the Dursleys. He could then use his money to fund independent research on dark magic defenses. Maybe he'd even start a small group of like - minded students who are also frustrated with the slow - paced and sometimes - inaccurate teachings at Hogwarts.
Perhaps in this fanfiction, Dumbledore has 'the talk' with Harry. He might talk about the importance of love and friendship in the fight against Voldemort. He could also mention how Harry's choices shape not only his own destiny but also the future of the wizarding world. This could be a very deep and philosophical talk that helps Harry better understand his role in the grand scheme of things.
Well, the plot could be that Harry discovers a snake in the Forbidden Forest. The snake might be a magical one with special powers. Maybe it can communicate with Harry in Parseltongue and help him find hidden secrets in Hogwarts. For example, it could lead him to a long - forgotten chamber that holds ancient magic spells.
Well, it could be about Harry getting really frustrated with all the pressure at Hogwarts and making some bad decisions that lead him down a dark path for a while. Maybe he starts skipping classes and getting into trouble with the professors more often.