He was Perseus, the son of Nyx. The first demigod. He was their savior. Their Sword. And they banished him to the pit. Sentenced him to everlasting torture. But he has escaped. And he has one thing on his mind. Vengeance.

Being a demigod is dangerous. One from the Big Three? You were basically guaranteed an early death. But Thalia didn't care, as long as she and her brother were together. But as more are found, her ragtag team of kids becomes something much more powerful, something coveted by both sides of the war. But the big question remains: which cause will they fight for?