What are some interesting plotlines in 'Percy is Luke's little brother fanfiction'?

Some fanfictions might focus on the relationship between the three of them. It could be a story where Percy, Luke, and Thalia are stranded in a strange place. They have to rely on each other to survive. During this time, they start to understand each other better. Percy learns more about Luke's past that made him turn bad in the first place, and Thalia tries to be the mediator between them, leading to a more complex and interesting dynamic.

A popular plot in Percy Jackson Luke and Annabeth fanfiction is the idea of team - ups. For instance, Luke and Annabeth might have to team up for a dangerous quest, and during this time, they rekindle an old friendship or discover new feelings for each other. This can create a lot of tension, especially if Percy is also involved. There are also fanfictions that delve into the backstories of Luke and Annabeth's relationship before Percy came into the picture. It could show how they grew up together at the camp and the early seeds of their connection, which might be different from what was shown in the original books.

Luke, on the other hand, would probably be a more experienced and perhaps a bit jaded character. He could have seen a lot in his adventures and might be a bit overprotective of Percy at times. There could also be other characters from the original source material that interact with them, like their friends or mentors who play important roles in shaping their relationship and their individual growth.

One possible plotline could be that the brother has different abilities or a distinct personality. Maybe he approaches the same challenges Percy faced in a completely new way. For example, if Percy was known for his courage in battles, the brother might use his intelligence to outwit the enemies instead.

Another interesting plot could be Percy's internal struggle. He's used to being Poseidon's son, and now this new connection to Styx throws his identity into a bit of chaos. He has to figure out how to balance his old self with this new aspect of his being, all while facing various quests and threats in the Percy Jackson universe.

One possible plotline could be Harry growing up in the Malfoy family. He might struggle with the Slytherin values that his family adheres to, while still having his own sense of Gryffindor - like courage. For example, he could secretly befriend Hermione and Ron against his family's wishes.

One interesting plotline could be Lorelai and Luke going on a spontaneous road trip together. They might discover new things about each other and their relationship deepens during the journey.

Perhaps in this fanfiction, Percy's death causes a shift in the balance of power. Luke, who was originally the 'bad guy', might have a change of heart after Percy's unexpected death. He could start to see the error of his ways and try to make amends, but face great opposition from both sides as no one trusts him. His journey of redemption becomes a central theme, intertwined with the grief and confusion of Percy's friends.

A third plotline could be set in an alternate universe where Luke and Leia meet under different circumstances. For example, they could meet as children before they were separated. This would completely change the dynamic of their relationship and lead to a whole new set of adventures and character developments.

One possible plotline could be Anakin, in a redeemed state, secretly protecting baby Luke from the remaining threats in the galaxy. He uses his remaining Force abilities to shield Luke from danger without revealing his identity.