In this fanfic, it's possible that the main character is a new student at Hogwarts who has a hidden past related to the 'mystic knight of thunder' thing. There could be a mentor figure, perhaps an old wizard who has knowledge about this power but has been in hiding. And of course, there would likely be the regular Harry Potter characters who interact with this new 'mystic knight' character in different ways, either helping or hindering their journey to master this power and fulfill their role in the wizarding world.
The main characters in the 'Harry Potter Mystic Knight of Thunder Fanfic' could include a young witch or wizard who discovers they are the chosen one to be the Mystic Knight of Thunder. They may be joined by their best friends from Hogwarts, who support them in their new role. There could also be a mysterious figure from an ancient magical order who guides the main character in understanding and using their powers. And, as in any good Harry Potter story, there might be a shadowy antagonist who wants to use the power of the Mystic Knight for their own dark purposes.
Well, since it's a fanfic, the plot could be all over the place. It could start with a young wizard in Hogwarts suddenly discovering they have this 'mystic knight of thunder' ability. Maybe they have to use it to fight off a new dark force that the regular magic of the wizarding world can't handle. They might go on a journey to discover the origin of this power, meeting new characters along the way, both from the HP canon and some new ones created for this fanfic's unique storyline.
Since it's a fanfic, the main character might be the Mystic Knight of Fire themselves. But there could also be appearances from Harry Potter, Hermione Granger, and Ron Weasley as they are central to the original series and could interact with this new character.
I'm not sure specifically as there could be many different takes in a fanfic like that. It might be about a character in the Harry Potter universe who is a mystic knight with the power of fire. Maybe they go on adventures, battle dark wizards, or have some sort of special mission related to the magical world of Harry Potter.
Obviously, Harry is one of the main characters. There might also be a wise old knight who serves as his mentor. And perhaps a princess or noble lady that Harry has to protect or is in some way connected to his journey as a knight.
One idea could be a story where a Mystic Force Knight is accidentally transported to the Harry Potter universe. He could initially be seen as a strange new wizard and have to navigate Hogwarts while also trying to find a way back to his own world. Maybe he teams up with Harry and his friends to fight off a new dark threat that is related to his own world's magic in some way.
In many 'Harry Potter Mystic Eyes Fanfiction', new original characters are introduced as main characters. For example, a transfer student from a far - off magical school who has Mystic Eyes. This character brings in different magical knowledge and traditions, and their Mystic Eyes create all sorts of new storylines. Sometimes, older characters like Dumbledore can also be central in these stories. He might have been aware of the power of Mystic Eyes all along and guide the younger characters in using or controlling them.
Neville Longbottom can be a popular character in Harry Potter mystic fanfiction. His growth from a timid boy to a brave wizard can be further explored in the context of mystic magic. He might discover that his family has a long - hidden connection to a mystic garden where rare magical plants with special powers grow. Also, Professor Dumbledore is often featured prominently. His vast knowledge and mysterious past make him a great character to incorporate into stories about mystic aspects of the wizarding world, like he might have been involved in a long - ago battle against a dark mystic force.
It's hard to say without reading the fanfic specifically. It could be original characters created by the fanfic writer. However, if it's related to an existing fandom, it might feature the main characters from that franchise. For instance, if it's a Harry Potter - related fanfic, it could be Harry, Hermione, and Ron, and the crack of thunder could play a role in one of their magical adventures.
In some fanfictions, characters from the Mystic Force like the Red Mystic Ranger could be popular. He could bring his own set of skills and powers to the Harry Potter universe. His leadership and combat abilities might make him a valuable ally to the Hogwarts students in battles against dark wizards or other threats. He could also learn a great deal about magic from the Harry Potter world and take that knowledge back to his own world.
I don't know for sure as I haven't read this particular fanfic. But it could have the main character be an original creation with the 'lionheart' trait, or it might center around a well - known Harry Potter character like Harry himself with some new 'lionheart' - inspired story arc.