Annabeth was slipping and Percy dived to save her; something went wrong. On the surface, Annabeth leads the Seven, desperate to rescue him and unite the camps. Alone in Tartarus, Percy finds himself making harsher choices, discovering darker methods, unlocking deeper powers, tortured and fighting for his life. He swears he's still a good kid. Post MOA NOT ABANDONED JUST WAIT

The classic Percy/Chaos story. What happens when Percy is betrayed? What happens when he becomes Allistar: Commander of the greatest army in existence? Give it a read! I do no own PJO.

Abandoned, betrayed, forgotten. He was all of these. He was given a choice by a strange figure. Join him or die. He chose life. He is Percy Jackson the champion of Erebus. Four years later he is given a mission. return to the place he never wished to go. He is going home. Dark!Percy, Perlia.