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

When Yona finds herself stranded in the past, she decides to make the most of her unconventional situation… while evading Hak's suspicions and Soo-Won's concern. Time Travel fic.