A legendary sword is left behind by his master, the Godking. Trapped for millennia, the sword's spirit awaits the day he'll be set free. Will his new master be worthy of inheriting the Godking's legacy?

Arthur lives with his father, a fallen but proud former noble, in Border Village #49, along with the other good folks condemned to toil in service to the Baron. But Arthur has an edge: a stolen heart card that secretly fell into his possession, thanks to a dragon. It’s a priceless source of power for the Baron and the tyrant will kill to get it back. Invaluable, too, to a young man of spellcasting ambitions.

Elaine is ripped from this world to Pallos, a land of unlimited possibilities made real by a grand system governing classes, skills, and magic. Join Elaine as she travels around Pallos, discovering all the wonders and mysteries of the world, trying to find a place where she belongs, hunting those elusive mangos, all while the ominous Dragoneye Moons watch her every move.

Millions of dungeons inhabit the planet, utilizing the Human people as a source of much-needed Mana to facilitate their own growth; in turn, the humans delve into the dungeons to acquire their own power in the form of Essence, which allows them to develop and enhance themselves in a multitude of different ways. It is a symbiotic relationship that has lasted thousands of years and has brought about a measure of peace.

When a Demonic Assault occurs, most people stuck inside of a Fracture end up hiding inside of a bunker in the hopes that they don’t get killed by a demon. Others might even hope for the slightest possible chance at signing a contract with a spirit and becoming a Guardian. So when Scarlet was caught in a Fracture, the last thing she expected was to become a demon herself. Exactly two centuries ago, humanity was struck with their very first Demonic Assault.