The Singularity - the merger of man and machine into a greater whole - is finally within humanity's grasp. When programmer Jeff Lawing gets the opportunity to join Singularity Online, the world's first realistic VRMMO and the testing ground that will lead to the Singularity, he leaps to accept. Singularity is much more realistic and darker than Jeff had imagined, though.

Aranos has done the impossible: He's freed the first Fallen Realm in mortal reckoning and returned victorious. He and his follower Geltheriel should be hailed as heroes and celebrated throughout the Stronghold of Eredain. Instead, Aranos finds himself surrounded by elves that are both secretly and openly hostile. He and his new party descend nightly into the corrupted Blightlands to battle the Darkness and to try and reclaim more lands for the Light, but each day the elves place more obstacles in his path, from attempts at treachery to outright attacks.

Felix's life on Earth had become a series of dead-end jobs, ruined relationships, and rotating apartments smaller than most postage stamps. By all accounts, even his own, he was a coward. Too afraid to move forward, to take risks. Yet when given the chance to choose between risking his life or walking away from a deadly encounter, he didn't hesitate. Moments before his untimely demise, Felix was snatched from earth and thrust into a magical world known only as "The Continent". Empowered by the "System", he learns that he can strengthen himself through combat and dedication.

Ascending should have been the easy part. But after being thrown into the void, Thorn finds himself stranded in a strange world filled with even stranger creatures. Together with his cute battle pet, the mysterious god beast Hati, and a sentient AI named Eve, Thorn must forge a place for himself in this new world. Unfortunately, the local guilds all have other ideas, and soon the Titan finds himself embroiled in plots that even his famed strength cannot help him with.

For eons, conquering dungeons has been the most efficient way to become a strong adventurer. Although not everything is as straightforward as it seems. Several questions have always plagued the minds of those who enter these mythical places of power: why are there so many monsters? Where do the amazing weaponry and heavy gold coins come from? Why does the very air fill with life-giving energies? Cal has all of the answers to these age-old questions, for a very simple reason. He is a Dungeon Heart.