Prologue

"Daughters of Hades shall be the key, to what the angel awaits.

The answers will be given out within Gods' hands,

Another life-risking journey for the seven.

The special one will be danger.

Fearless, the other shall save her.

Earth Mother shall arise once again."

It all started when Percy Jackson, Hero of Olympus, found these powerful sisters at the Empire State Building before the other side did...