One plotline could be Percy having flashbacks during a normal day at Camp Half - Blood. For example, while training new demigods, he suddenly remembers a particularly harrowing battle from the past. This could lead to him accidentally losing control of his powers a bit, scaring the newbies. Another could be Annabeth having nightmares about the time she was trapped in Tartarus. In the fanfiction, she might start avoiding places or activities that remind her of it, like going underground or exploring dark caves. And a third plotline could be them both trying to deal with their PTSD while on a new quest, where they have to rely on each other more than ever to overcome their mental struggles.
One interesting plotline could be Percy and Annabeth's PTSD affecting their relationship. Percy might become overly protective of Annabeth because of his PTSD - related fears, which could make Annabeth feel suffocated. She, in turn, might be more withdrawn due to her own PTSD, causing Percy to feel like she's pulling away. Another plotline could be centered around a support group for demigods with PTSD at Camp Half - Blood. Percy and Annabeth could be reluctant to join at first but then find solace and new ways to cope through the group. And finally, a plotline could involve a mysterious force at Camp that seems to be exacerbating their PTSD symptoms, and they have to figure out what it is and stop it.
One possible plotline could be their adventures in a new, undiscovered part of the mythological world. Maybe they stumble upon a hidden realm full of ancient and powerful creatures that they have to either befriend or fight.
Another plotline might involve Percy and Annabeth getting lost in an alternate dimension within the world of 'The Lightning Thief'. In this dimension, the rules of the gods are different. They have to figure out how to get back while also dealing with strange creatures and challenges that test their relationship and their understanding of the mythological world.
A more complex storyline could involve Naruto's PTSD affecting his relationships. He might push away his friends and loved ones because he doesn't want them to see his vulnerable side. The fanfiction could then explore how his friends try to break through his walls and help him heal from his past traumas.
One possible plotline could be Percy struggling to keep his cancer a secret from his demigod friends while still trying to go on quests. He might worry that his weakened state due to cancer will let them down. Another could be Percy using his demigod powers in a unique way to fight the cancer, like trying to find a magical cure in the realms he can access. Maybe he discovers some ancient herb or potion that has the potential to heal him, but he has to face many challenges to obtain it.
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.
Well, a great plotline could be Percy and Annabeth trying to start a club in high school related to ancient Greek mythology. But they face opposition from the school administration who think it's too 'out there'. And then there's the whole thing about them having to balance their demigod duties with high school projects and exams. It adds a lot of drama and humor as they struggle to fit in and still be true to themselves.
One plotline could be the overprotective brother constantly trying to keep Percy out of dangerous quests. He might try to interfere with Chiron's plans for Percy, thinking he's too young or inexperienced. Another could be the brother getting into arguments with Percy's friends like Annabeth when he feels they're leading Percy into harm's way. And there could also be a plot where the brother himself gets involved in a quest to protect Percy and discovers his own hidden powers along the way.
They might start by simply being honest with each other about their feelings. Percy could share his fears during his flashbacks, and Annabeth could do the same about her nightmares. For example, Percy might say that he's scared he'll lose control and hurt someone during a PTSD episode, and Annabeth can assure him that she'll be there to help him through it. Another way is by creating a safe space for each other. Annabeth could make sure Percy has a quiet place to retreat to when he's feeling overwhelmed, and Percy could do the same for her. For instance, he could find a secluded corner in the Athena cabin for her when she needs it.
Another plotline could be that Annabeth is in a dangerous place like a cursed island. Percy has to fight his way through various mythological creatures and traps to reach her. Along the way, he discovers new aspects of his own powers as he is driven by his love for Annabeth and his determination to save her.
One interesting plotline could be their struggle against the various monsters in Tartarus. For example, facing off against the giants or other terrifying creatures that lurk there. Another could be their search for a way out while dealing with the psychological toll of being in such a dark and desolate place.