One possible plot development could be Percy facing off against new and terrifying monsters that are unique to Tartarus. Maybe he discovers some long - lost secrets about the place that could change the way the demigods view Tartarus in general.
In this fanfic, it could be that Percy's stay in Tartarus is part of a grander plan by the gods. They might have sent him there (or allowed him to be left behind) for a specific reason. Maybe he has to find a powerful artifact in Tartarus that can save the world from a new, impending threat. He would then have to go on a quest within Tartarus to find this item, all while battling his own demons, both literally and figuratively.
It's also possible that there could be a new, unknown force in Tartarus that has been awakened by Percy's presence. This new entity could be extremely powerful and oppose Percy at every turn. It might be some sort of ancient, primordial being that has its own motives for not wanting Percy to succeed in whatever his mission in Tartarus is.
Perhaps Percy forms an unexpected alliance in Tartarus. There could be other lost souls or even some ancient beings that have been trapped there. Together, they could plan an escape or a way to overthrow the dark forces that rule Tartarus. This alliance could test Percy's beliefs and values as he has to work with some rather shady characters.
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.
One possible plot development could be Percy having to face various ancient and terrifying monsters on his own in Tartarus. He might have to use his wits and limited resources to survive. For example, he could encounter the monstrous Titans that were imprisoned there long ago.
One possible consequence could be that he becomes even more powerful in a dark way. Tartarus is full of dangerous and ancient forces. Staying there might expose him to unique and powerful magics that change him. For example, he could gain new combat skills or the ability to control certain Tartarus - born entities.
Well, one possibility could be that Percy stays behind to protect a certain place from an approaching threat. Maybe it's his hometown or a special location that holds some important secrets. He uses his skills and wits to fend off the enemies while his friends are away on another mission.
Well, one possible plot could be Percy facing his inner demons in Tartarus. Since he's alone, he might have to rely solely on his own skills and memories. Maybe he'll encounter some long - forgotten monsters that test his strength and willpower. He could also stumble upon some hidden secrets about the place that no one has ever known before.
One possible plot development could be Percy facing off against Tartarus' own unique and terrifying monsters all by himself. He might have to rely solely on his wits and the powers he has developed over his previous adventures. For example, he could use his water - controlling abilities in creative ways to navigate the strange and dangerous terrain of Tartarus.
In a 'percy banished to tartarus fanfic', the plot could be about Percy's internal battle as well. He's been banished, which could make him feel betrayed and angry. So he not only has to deal with the physical threats in Tartarus but also his own emotions. He could question his identity and his purpose, and this self - discovery could be a major part of the story. He might start to see things from a different perspective, and this new understanding could be crucial in his journey to either escape or change his situation in Tartarus.
One possible plot could be Percy's struggle to survive in Tartarus. He might have to face the various terrifying monsters there, like the giants or the powerful demons. Maybe he'd find some unexpected allies among the damned souls, and together they'd try to find a way out.