There could be a character who is the keeper of the legacies, perhaps an old family member or a guardian. This character might hold the key to understanding the true nature of the legacies, and the other main characters have to interact with them to uncover the secrets. Without reading the 'legacies novel' specifically, it's hard to be certain about the exact main characters.
I'm not sure specifically as I haven't read it in full. But typically in vampire novels, there would be an old and powerful vampire who has a lot of influence. There might also be a newly turned vampire who is trying to figure out their new life.
In the 'Lorien Legacies Graphic Novel', the main characters are surely the Lorien survivors. They are young and possess various powers. John Smith is a central character who has leadership qualities among them. There are also other characters like Sam Goode, a human who gets involved in their fight. Their interactions, growth, and how they use their powers to face the challenges posed by the Mogadorians are what drive the story forward in the graphic novel.
Superman and Batman are likely to be among the main characters as they are central to the DC Universe.
Luna Lovegood is a beloved character from the original Harry Potter series, and she still has a significant presence in fanfiction related to Harry Potter and Legacies. Her unique personality and magical abilities make her a great character to include in various storylines. For example, she could be a mentor to the new generation of students at Hogwarts, passing on her wisdom and off - beat knowledge.
Six from 'Lorien Legacies' is also a great choice. She's tough and her combat skills are top - notch. If you were doing a crossover with 'Star Wars', she could be like a Jedi, using her Legacies in a similar way to the Force. Her no - nonsense attitude would fit well in the 'Star Wars' universe.
It could be an elderly person who has a wealth of life experiences and is the keeper of the family's legacy.
Launch. She has this really interesting dual - personality thing going on. In a fanfic, she could be developed more, perhaps having her own unique fighting style related to her two personalities.
One underrated character is Everett Clopton. You could write about his life before Hogwarts and what led him to be the way he is in the game. Maybe he had a difficult family life that made him so eager to prove himself at school.
I recommend the two novels "Divine Level Cultivation System" and "Longevity of Martial Arts: Starting from Tendon Changing Classic" to you. The two novels were both fantasy and oriental fantasy. The protagonists had received the inheritance of Yijin Jing and improved their strength and lifespan through cultivation. The main character in the Divine Level Cultivation System had also obtained a Divine Level Cultivation System that possessed countless cultivation techniques and martial techniques. The main character in "Longevity Martial Arts" walked on an invincible path of longevity through the cultivation of Yijin Jing. These two novels were very suitable for readers who liked fantasy novels and martial arts novels. I hope you like this fairy's recommendation. Muah ~😗
Jason Grace and MG would also be an exciting pairing. Jason has his abilities as a son of Jupiter, his control over lightning and his Roman military training. MG is a vampire in Legacies. They could form an unlikely alliance. Jason could teach MG about discipline and honor from the Roman point of view, while MG could show Jason the unique aspects of being a vampire, like enhanced senses and the ability to move quickly. They could team up to protect their friends from threats that target both the demigod and vampire communities.