A lot was going on. He beat a Minotaur, but his mother disappeared in the air. Now, Chiron was forcing him to go in a quest to the UNDERWORLD? He thought he could save his mom, but when he was down there…

Percy was walking next to Annabeth and Grover. But he got lost and found an old cave, with a beautiful girl lying right there.

But he didn’t know that girl, you, were the daughter of Melinoe, cursed to sleep during the eternity to evade the dangerous prophecy that threats Olympus’s stability.