One possibility is that there is a prophecy that involves Percy and the hunters in a way that the hunters misinterpret. They believe that by torturing Percy, they can prevent some great disaster. However, Percy is actually an important part of the solution, not the problem. As the story progresses, he could start to communicate with some of the more sympathetic hunters and try to make them see the truth.
Well, one possibility is that the gods are punishing Percy for some perceived disobedience. Maybe he defied their orders during a major quest and now they're making him suffer. For example, they could be sending him through never - ending trials in a hellish realm.
Perhaps the hunters have a mission that goes against Percy's beliefs or values. They might be trying to harm an innocent creature that Percy is sworn to protect. So, he decides to stop them by any means necessary, which unfortunately leads to killing some of them. It could also be a misunderstanding, where the hunters' actions are misinterpreted by Percy, leading to a tragic outcome.
The story of 'percy joins the hunters fanfiction' could start with Percy being invited to join the Hunters for some special reason. Once he joins, he has to deal with the fact that the Hunters are mostly female and have their own traditions. He may find himself in the middle of internal Hunters' politics. For example, some Hunters might be skeptical about his presence, while others see his potential. His journey within the Hunters could also lead to self - discovery, as he learns more about himself and his place in this new group, all while going on quests and battling against various foes.
One possibility is that the hunters have a long - standing feud with Percy's group or family. In this fanfiction, the situation escalates to the point where they feel they have no choice but to kill Percy. Maybe Percy has some power or knowledge that they fear will be used against them if he's not stopped, and that's why they take such a drastic step.
In this fanfiction, it might be that the gods are influenced by an external dark force. This force convinces them that Percy is a threat. So, instead of a fair trial, they torture him in front of everyone. Percy, being a hero, would probably endure it with great courage and his friends might be on a quest to prove his innocence and save him from this unjust situation.
Obviously, Percy is one of the main characters as he is the one being tortured. The hunters as a group are also main characters. Among the hunters, there might be a leader or a few individuals who are more prominent in the act of torturing Percy. There could also be some of Percy's friends or allies who might try to rescue him, like Annabeth. They could be secondary characters who play important roles in the plot.
In such a fanfiction, one possible plot could be that Naruto is captured by a powerful and vengeful enemy, like Orochimaru. Orochimaru might want to extract the Nine - Tails' power from Naruto. He could use various dark jutsus to torture Naruto physically and mentally, trying to break his will. Naruto, being the determined shinobi he is, would fight back in his mind, not giving in easily.
Maybe it's part of a plot to have Percy gain some sort of power or knowledge. In many fictional stories, a character has to go through great pain and suffering before emerging stronger or wiser. The torture in Tartarus could be a way to set up this transformation for Percy.
One possibility is that Percy has to face a new set of challenges related to the Hunters' code. For example, he might struggle with the no - male - relationships rule.
One possible theme could be the exploration of power dynamics. The hunters may be in a position of power over Percy, and the abuse could show how power can be misused. Another theme might be trauma and its aftermath. Percy would likely experience a great deal of emotional and physical trauma from the abuse, and the fanfiction could delve into how he copes or fails to cope.