Perseus Jackson is trapped in Tartarus. After the council of the gods, save a few, betray and sentence him to eternal suffering, something happens to our hero that will change him forever. He is tortured and cursed. With a horrible curse placed upon him that turns him into the things that he hunts and despise, will he suffer in the pit or will he thrive? He is the Monster Shifter

Percy, betrayed by who he thought was his soulmate, takes a daring act and swears himself by the oldest Primordial. Now, he has to deal with the consequences, both good and bad. Eventual Percy/Artemis