Neville Longbottom might be a main character in these fanfictions. Given his growth and importance in the original series, it would be interesting to see how he would interact with the concept of permanent Felix Felicis. Maybe he uses it to gain more confidence and become an even greater hero in the wizarding world. Another possible main character could be Draco Malfoy. His complex character could be explored further in the context of the powerful potion, either trying to obtain it for his own dark purposes or having to deal with others who have it.
In many 'Harry Potter Permanent Felix Felicis Fanfiction', Ron Weasley could be one of the main characters. He often gets into all sorts of situations with Harry and Hermione, and with the addition of the permanent Felix Felicis, his character could have some really interesting developments. Additionally, some original characters created by the fanfiction authors might be main characters. These could be new students at Hogwarts who discover the permanent Felix Felicis and have to deal with the consequences.
Hermione Granger could also be a central figure. Given her intelligence and thirst for knowledge, she could be researching the Permanent Felix Felicis and its implications, and might accidentally consume it or use it in an experiment. She would then use her wits along with the potion's effects to navigate through various situations.
One interesting plot could be a character using the permanent Felix Felicis to solve a long - forgotten mystery in the wizarding world. For example, they might discover the true origin of an ancient spell that has been lost in time. Another could involve a student using it to always ace their exams and then getting into some trouble when the professors suspect foul play.
A really cool plot could be where the Permanent Felix Felicis has some unforeseen side - effects. Instead of just bringing good luck, it starts to warp reality in small ways. The main character has to figure out how to reverse or control these effects while also dealing with the regular challenges at Hogwarts like exams and rivalries. This would add an element of mystery and danger to the story, making it more exciting.
Hermione Granger is also a popular choice. Given her intelligence and love for learning about potions, it's easy to imagine her either creating more Felix Felicis or using it in a clever way to solve a problem at Hogwarts.
Dumbledore is often a main character in Harry Potter 1945 fanfiction. Since he was around during that time, many stories explore his youth, his friendships, and his early battles against the dark forces.
Dumbledore can also be a main character in such fanfictions. He might have known more about the Lightning Bolt scar than he let on in the original series. Fanfiction could explore his past interactions with Harry's parents regarding the scar and how he was secretly guiding Harry towards unlocking the full potential of the Lightning Bolt.
Harry Potter himself is often a main character. After all, it's a Harry Potter fanfiction. He is likely to be the one facing the challenges related to the mist.
Well, Harry is almost always a key figure. He could be seen training under a samurai master in some fanfictions to gain new powers or a different perspective on magic. Hermione might be portrayed as the one who studies the samurai culture deeply, trying to find connections between their magic and the samurai way. Another character that often shows up is Dumbledore. He could be the one guiding the integration of the two cultures, using his wisdom to ensure harmony between the wizarding world and the samurai - inspired elements. There may also be a samurai - style villain, someone who challenges the values of both the Harry Potter world and the samurai code.
Harry Potter is the main focus in 'harry potter invincible fanfiction'. But other characters like Dumbledore can also be important. Dumbledore, with his great wisdom, might be guiding Harry in how to handle his invincibility or using Harry's power for the greater good of the wizarding world. Then there are the villains. Voldemort is likely to be a key figure as Harry's invincibility would change the dynamic of their fight.
In some 'in noctem Harry Potter fanfiction', Severus Snape can be a main character. His complex relationship with Harry and his own mysterious past can be explored in the context of the night. For example, a fanfiction could show Snape patrolling the castle at night and having an unexpected encounter with Harry that reveals a new side of their relationship.