One popular storyline could be their adventures at Hogwarts. Maybe they discover a hidden chamber together. Another could be how they deal with the legacy of their famous parents. For example, they might face pressure from other students who expect them to be as great as Harry, Ginny, Ron and Hermione. And they could also have their own unique magical abilities that they explore and use to solve various mysteries around the school.
Some fanfictions might focus on family relationships. Lily Luna and her brothers could have a big fight over something, like who gets to inherit a particular family heirloom or magical object. Then they go through a journey of reconciliation, learning more about each other's feelings and growing closer as a family. They might also have to team up to protect one of their family members from a new dark threat.
One possible storyline could be that she sacrifices herself to save her family or friends. Maybe in a battle against dark wizards, she uses a powerful spell to hold off the enemy long enough for others to escape, but it drains her life force. Another could be that she succumbs to a mysterious and incurable magical illness that has been plaguing the wizarding world. This would lead to a very sad and poignant story as her loved ones struggle to come to terms with her impending death.
One interesting storyline could be Lily Luna Potter discovering a long - forgotten magic spell in the Hogwarts library. It could lead her on an adventure to find out the origin and power of the spell, along with her friends. Maybe they face some challenges from other students who are jealous of their discovery.
One possible storyline could be Draco and Lily Luna becoming unexpected friends. Maybe they are forced to work together on a project at Hogwarts many years after the war. Draco has changed a lot since his school days, and Lily Luna is intrigued by his past and how different he is now. They start to see each other in a new light and form a bond that surprises everyone around them.
Writers may also differ in how they show the characters' relationships with their peers. One writer could have Lily Luna being extremely popular among her classmates, while her brothers are more of the loner types. Another might write that all three of them are part of a tight - knit group of friends, but each has a different role within the group. Lily Luna could be the mediator, one brother the joker, and the other the responsible one.
One possible storyline could be them going on an adventure in the wizarding world together. They might discover a hidden magical artifact and have to protect it from dark wizards. Another could be a story about their friendship growing over time as they attend Hogwarts and face various challenges together, like dealing with difficult professors or school bullies.
She might meet her father, Harry Potter, when he was still a student at Hogwarts. This would be an amazing encounter as she could see a side of her father she never knew before.
The 'fish - out - of - water' trope can be used. For example, if Lorcan Scamander comes from a very different magical environment compared to Lily Luna Potter. He might find the Potter family traditions and the Hogwarts way of life quite different. And as they interact, they both learn and grow. Also, the 'magical discovery' trope is common, like they find a new magical creature or a new spell together and that experience binds them closer.
A really interesting concept could be Lily Luna Potter traveling back in time. She could meet her father as a young boy at Hogwarts and have to be careful not to disrupt the timeline. It would be a great way to see how the past and present of the wizarding world interact.
A possible fanfiction could involve Lily Luna Potter and her time - traveling adventures. She accidentally stumbles upon a time - turning device and gets sent back to the time of the first Wizarding War. There, she has to be careful not to disrupt the timeline while also trying to learn from the events of that time to prevent a similar future catastrophe.
Well, it really depends on the fanfiction author's creativity. Some might give her a Patronus that reflects her own unique personality traits. For example, if she's portrayed as very brave and fierce in a particular fanfic, her Patronus could be a lioness, representing her courage and leadership. Another possibility is that it could be a bird, perhaps a phoenix, which would tie in with the magical and powerful nature often associated with the Potter family.