Harbingers. Horsemen. Heralds. Mere titles bestowed upon five individuals by the creator, Chaos herself. Her own personal warriors, built up to uphold and defend all that is good. Enter Percy Jackson, a young man left scarred and tired by his adventures. Given the opportunity to retire or continue defending Olympus, he chooses the latter. He never would've guessed that his choice would lead him into the fray, serving Chaos herself as her horseman. Conquest. Death. War. Famine. Pestilence. Conquest. Enter the Five Harbingers of Chaos.