Prequel to Godly Vendetta

This is a prequel! Read further inside for more info. After a long battle against Kronos, Percy and less then 20 other campers now remain at an empty CHB. Calypso has learned about what happened at Olympus, and cries everyday, hoping that Percy is safe. What they both don't know is that something much larger will soon happen, and no one is prepared. ON THE BORDER OF M RATING!