Otto Shenk is the youngest son of a minor baron. He's also a wizard. Abused by his family and considered less than human by his kingdom, Otto does his best to survive. But everything changes when Otto stumbles across a tower hidden deep in a dark part of the forest near his home. A tower that was once the home of an Arcane Lord, the immortal wizards that long ago ruled the world. Otto’s life will be changed forever. And so will the world.

Jim was thrust back in time, returned to his body at the moment he started cultivating. Anyone else might have given up, but Jim doesn’t have that option. He’s already made the mistakes that doomed him in his first life, and he knows what to do to make it right. Jim wants to right the wrongs of the past...or future? All while a pair of angry gods torture him through lack of sleep.

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.

E-rank hunter Jinwoo Sung has no money, no talent, and no prospects to speak of - and apparently, no luck, either! When he enters a hidden double dungeon one fateful day, he’s abandoned by his party and left to die at the hands of some of the most horrific monsters he’s ever encountered.

Verdan Blacke is an Imperial Wizard, a researcher by preference but soldier by necessity. Surviving an intense battle, Verdan is cursed by a hex witch in her final moments. Without any good options, Verdan escapes the ever-increasing pain the curse inflicts by performing a self-made stasis ritual.