Percy Jackson : Assassinator and Commander

life was going pretty good for Percy,no wars in sight...at least not yet,going to college with his girlfriend, it was great....until the fates decide to tear all that apart.
when a new demigod stumbles into camp,everything that Percy worked hard for,comes spiralling down.
Broken and devastated, he sets off on a journey,looking for a new life..who knows what is out there...