Family. That was the only thing that mattered to him. Once he lost that, revenge was all that mattered. To think a curse from a past foe would be the reason for his demise, and not his own lack of power. Unable to take vengeance for the death of his child, he swore to himself and the universe itself he would return. He was just never specific on how he would do that...

After 3 wars Percy is still killed by a paranoid Zeus. After his agonizing death his only solice is that he will end up in the underworld. Or will he? When he wakes up what does that mean for him and the future? Who sent him back and why?

When Percy loses his mother and Paul to Gaea, he is overcome by immense hatred and blacks out. To his surprise when he wakes he was the one to defeat Gaea. Now after a drink next to his mother and stepfather's graves he sets out with a mysterious man named Kaiser to figure out the limits of his power and to become stronger. Why must he become stronger? Only time will tell.