In 'Percy Jackson Last Male' fanfiction, the focus is often on Percy being the last male in a particular situation. Regular fanfiction can cover a wide range of topics. This type narrows it down, so there's more emphasis on Percy's isolation and the unique challenges he faces because of being the last male. For example, in normal fanfic, Percy might be on a team adventure, but in 'last male' fanfic, he might have to face the danger alone.
I'm not sure specifically as there could be many different interpretations in fanfic. But generally, it might involve Percy Jackson in a situation where he's the last Spartan. Maybe he has to face some great evil alone, or he's on a quest to find other Spartans or something related to their heritage.
The other characters would be devastated. Annabeth, for instance, would be heartbroken. She has been through so much with Percy, and his death would leave a huge void in her life. She might become more withdrawn and less trusting. Grover would also be deeply affected. He has been Percy's friend since the beginning, and he would probably blame himself for not being able to protect Percy. The other demigods would lose their hero, and they might feel less confident in their ability to defend Olympus.
Well, it could be about Percy facing some ultimate challenge alone as the last Spartan. Maybe all the other Spartans have fallen in a great battle against some powerful foes like Titans or other mythical creatures, and Percy has to use his unique skills and the Spartan heritage in ways no one has before to save the world.
It's about Percy Jackson's final adventure in the world of the Olympians in graphic novel form. There are battles, quests, and lots of mythological elements.
Percy Jackson would likely be the main character since it's in his name. And there might be some of his usual friends from the Percy Jackson series like Annabeth. There could also be some new characters that are related to the Spartan aspect, maybe an old Spartan mentor who left some clues for Percy.