The plot could involve them losing their way in Tartarus, both literally and metaphorically. They get separated from their usual support systems and have to rely solely on each other. As they journey deeper, the darkness starts to change them. For example, Annabeth might become more aggressive in her decision - making, which is a departure from her normal self. Percy struggles to keep up with this new side of her while also fighting off the demons of Tartarus.
In this fanfiction, the plot might revolve around Annabeth getting injured early on in Tartarus. The pain and the darkness of the place start to corrupt her mind. Percy is desperate to find a way to heal her, both physically and mentally. As he searches for a cure, he has to fight off various dark entities. Meanwhile, Annabeth's dark thoughts grow stronger, and she starts to see Percy as an obstacle. Percy has to not only deal with the external threats in Tartarus but also try to bring Annabeth back to her senses before she does something irreversible.
Well, a great plot could be that they discover a dark secret in Tartarus that has the potential to destroy the world above. Annabeth, being affected by the dark energy, wants to use this secret to their advantage, thinking it could end all their problems. Percy is horrified by this idea and tries to stop her. This leads to a conflict between them, all while they are surrounded by the most terrifying creatures in Tartarus. They must resolve their differences and find a way to either destroy or contain the dark secret before it's too late.
One possible fanfiction could be about Percy and Annabeth's struggle in Tartarus, where the darkness of that place starts to seep into their minds. Maybe Annabeth begins to have dark thoughts about using the power of Tartarus to defeat their enemies, and Percy has to pull her back from the brink. They face all kinds of terrifying monsters and challenges that test not only their physical strength but also their mental stability.
Well, one possibility is that Percy has to deal with the various monstrous creatures in Tartarus. He might form alliances with some of the less evil ones to maintain order. Maybe he uses his powers over water in unique ways in the dark and chaotic environment of Tartarus.
One possible plot could be Percy having to face his inner demons in Tartarus. Maybe he has to battle new and terrifying monsters that are unique to that realm. He could also encounter old foes who have been made even more powerful in Tartarus.
He could come back haunted by the terrors he faced in Tartarus. In the fanfiction, Percy might struggle with nightmares and flashbacks. His relationship with Annabeth could be strained as he tries to deal with his trauma alone. But then, through the help of his friends and the love of Annabeth, he slowly starts to heal. Meanwhile, an old enemy from Tartarus could be following him back to the surface world, and Percy has to gather his courage again to fight it off and protect his loved ones.
In some fanfictions, Annabeth and Percy might struggle with PTSD. They could have nightmares about their time in Tartarus. Percy might be overly protective of Annabeth, and they may need time to heal their emotional wounds together.
Well, in many fanfictions, Percy might be on a mission to assassinate some powerful being in Tartarus. Maybe he has to face all kinds of hellish creatures and overcome insane challenges. It could involve him using his water powers in unique ways, like creating weapons out of water to fight the demons of Tartarus.
Well, one possibility is that he has to find a way to survive on his own. He might encounter new and even more terrifying monsters in Tartarus. Maybe he'll discover some long - lost secrets about the place that could be used to his advantage or that could change the whole understanding of the demigod world if he ever gets out.
Perhaps they go on a quest to find a way to close the gates of Tartarus permanently. This would involve traveling to different places, facing new monsters, and using their combined knowledge and skills. Along the way, their bond would be tested, and they'd have to rely on each other more than ever, making their relationship even deeper.
They might talk about the terrifying creatures they faced in Tartarus. For example, they could discuss the giant scorpions or the monstrous demons that lurked in the dark. This would add to the sense of danger and adventure in the fanfiction.
In fanfiction, after Tartarus, Percy and Annabeth could be on a journey of self - discovery together. They've seen the darkest parts of themselves and each other in Tartarus. So they might be exploring who they are now, how they've changed, and how their relationship has evolved as a result. Maybe they take some time away from the chaos of their demigod duties to really understand their feelings for each other.