At the end of the battle of Manhattan, Percy kills Luke, thus destroying Kronos. But while fading , Kronos uses the last of his powers to curse the hero who ruined his plans. He creates a time vortex that suck Percy into it and sends him to a different time , the time of the first titan war. Follow Percy as he helps his aunts and uncles destroy his evil grandfather. My first fanfiction . A Pera fanfiction. Percy×Hera