For over one hundred years, Central Park has been a maximum security prison. Home to creatures of unimaginable power, the Unholy, they have been kept imprisoned by the wards that surround the park. Over time the wards have been weakened, and only one force can stop them—the Hunters. The Hunters are an elite group of warriors, sworn to protect humanity with their lives. Emiko, a veteran hunter must face a threat unlike any before: the Unholy have escaped and are searching for an artifact. One that will destroy the wards and bring them untold power. Can Emiko stop them before the artifact is found, unleashing the Unholy into the city and the world?

For over one hundred years, Central Park has been a maximum security prison. Home to creatures of unimaginable power, they are kept imprisoned by the wards that surround the park. Now those wards are failing and people are dying. Creatures, called the Unholy, are escaping into the night. Only the Hunters, an elite force of warriors can stop them. Sepia Blue is a new hunter, with little experience. Together with her gunman and partner, Cade, they must stop the wards from failing completely. Can a hunter with a dark past and a darker sword stop the Unholy before they destroy all of humanity?

EXILED. DISARMED. HUNTED. Sepia Blue is a skilled hunter with a deadly secret. Exiled by the Order—the ruling council of Hunters, she joins the Sisters, a group of assassins who live in the shadows of the Order. The Sisters accuse her of being half-nightmare, carrying Unholy blood. Her punishment—they strip her of Perdition, a cursed sword, only those of her lineage can wield. She must get it back. The consequences…without it each day could be her last. The Unholy, who the Order imprisoned in Central Park, are threatening to escape and annihilate humanity. Sepia and the Sisters are tasked with finding and destroying the Rift, the Unholy's source of power. Without Perdition, she cannot accomplish her task. Can she recover Perdition and stop the Unholy before it’s too late?

DARKNESS. TRANSFORMATION. CONSEQUENCES. Will she become what she hates? Sepia's transforming. Unwillingly, she bonded with an Unholy artifact, the keystone. It possesses immense power. She's becoming a Nightmare Lord, the most powerful and evil of the Unholy. Sepia's allies trap the power of the artifact in an inhibitor mask, their attempt to keep it from destroying her. Their strategy backfires—the mask not only blocks the transformation, it blocks Sepia from merging with her sword, Perdition, the key to saving humanity. As her power increases, friend and foe, grow to fear her. She must evade them all as she hunts for Fuma, an elusive Ward Master. His ward key will permit her to remove the mask, before she is consumed by the darkness of the artifact, and free her to unite with Perdition. Time is running out. Can she evade capture? Who can she trust? Will evil prevail, and Sepia become the most powerful Nightmare Lord of all time? Join Sepia on this thrilling adventure today!

There is power in a Name. There is greater power in the Nameless. Velos roams the streets, killing Hunters with his dark blade, Retribution, and taking their named blades. Sepia, with power of the Jade Demon and Perdition must stop him. Except there’s one complication—the Nameless—the one sword designed to destroy all the others has been found and the Unholy want it. Now, Sepia will tap into a new power she can barely control, face off against an enemy with greater power, and prevent the Unholy from getting a world-ending sword or die in the process. Can Sepia face the forces of the gathering storm threatening to destroy everything she holds dear…and defeat them without releasing the beast lying within?

Will she embrace her inner demon to face the ultimate evil? Velos and the Nameless blade have been stopped—for now. Sepia has managed to manifest the Jade Demon, but there is one problem: with each transformation, she loses a part of herself to the demon within. The Order has declared her Unholy and banned from the Hunters. When Chimera, the Nightmare Lord, formulates a plan to destroy the wards around the Park, Sepia must gather the remaining Hunters to stop him before he unleashes all of the Unholy. Now Sepia, the Sisters, and the remaining Hunters must face the greatest Unholy threat in history. Together, they must stop Chimera before the wards collapse, the Unholy escape, and humanity is wiped out. Can she use the Jade Demon to stop Chimera? Can she harness the power within to defeat the Unholy, or will she surrender to the darkness and lose herself forever?