A story of sadness and depression. Percy has been sad and alone for a long time. But what happens when he meets someone who wants to be his friend? Will his friendship with Annabeth last the test of time or will it fade into the pages of history?

Percy was betrayed by those who he cared for, so he decided to run away with Reyna and Thalia. 1000 years later Erebus has risen and has recruited the forces of Gaea the titans and the giants. Who will save Camp when its greatest heroes have disappeared.

It's been six months since the Assassins were sent to Earth to deal with the rise of evil. But now a new enemy arises in the form of a Chaos assassin. Percy and his friends must find this assassin before he destroys the whole universe because of a vendetta spanning a millennia. The Assassins are back and they are better than ever.