Earth had been destroyed by Devils, and as a result, the humans who lived there were transported to Paradise, a new world far vaster than their original planet. Dragons flew across the never-ending skies, roaring toward the heavens. Elves grew trees and tended to the flowers. Dwarves crafted armor and weapons to use for battle. Demons started wars for fun. It was chaotic, yet it was still a home. Then, when things were just starting to look up, the cataclysm struck. Only one man could face the imminent disaster, but he still failed in the end.

It was a day like any other when suddenly the world changed. The universe reached a threshold humanity didn’t even know existed, and it was time to finally be integrated into the vast multiverse. A place where power is the only thing anyone can truly rely on.

Zac was alone in the middle of the forest when the world changed... The whole planet was introduced to the multiverse by an unfeeling System... or God. A universe where an endless number of races and civilizations fought for power and dominion. Zac finds himself stuck in the wilderness surrounded by deadly beasts, demons, and worse. Alone, lost and without answers, he must find the means to survive and get stronger in this new cut-throat reality.

Fight, survive, adapt, and rely only on yourself. That is Derek’s creed and what's got him through the System Integration on Earth. Everything changed when the System came. Cute bunnies and beautiful butterflies became savage killing machines. Then the Invaders arrived with a single goal: to obtain ownership of this new habitable planet. War has raged ever since. None of this mattered much to Derek, aside from making living a little more perilous.

Matt plans to delve the rifts responsible for the monsters that destroyed his city and murdered his parents. But his dreams are crushed when his Tier 1 Talent is rated as detrimental and no guild or group will take him. Working at a nearby inn, he meets a mysterious and powerful couple. They give him a chance to join the Path of Ascension, an empire-wide race to ascend the Tiers and become living legends. With their recommendation and a stolen Skill, Matt begins his journey to the peak of power. Maybe then, he can get vengeance he seeks.

Portals appeared on Earth, forcing everyone to make a choice: Enter or die. However, if they managed to survive through all twelve planets in the system, they would be allowed to return home. Humanity fought bitterly and, in the end, succeeded, but the cost was high.

Isaac Thoma lived to see the last handful of survivors defeat the demonic champion. He is now alone, his past in ashes, the last and most powerful human on a blighted Earth. But what if he could go back? Hurled back in time, Isaac has one chance to change it all. A chance to warn humanity of their impending doom. A chance to stop the [System] before shortsightedness and lust for power can render humanity extinct.

Noah Brown has a gift for fighting. Unfortunately, punching things doesn't pay the bills, at least until he died and an Eldritch god found his soul. The encounter brings him to a new world, summoned by bloody cultists. He's got nothing but the shirt on his back and a strange item in his system menu.

On a day like any other, an alien descends to Earth, unleashing untold death and destruction. Alistair watches the live news footage of the carnage, his eyes glued to the image of impossible power made manifest. The alien’s arrival kicks events into motion that no one could have predicted. Earth is prematurely initiated into a universe-spanning empire of cut-throat cultivators, beasts, and entities of ungodly power–all guided by a mysterious AI System. The System’s first quest? Kill someone.

Michael finds himself in the realm of the Forever Kingdom, with no memory of how he got there and who he is. Even so, he must participate in the Grand Game and forge a new destiny for himself. Dropped into a dungeon of monsters and strange magics, would you survive in a game where to lose means death? Alone, and with little more than his wits to aid him, Michael must advance as a player, slay his foes, and gain experience. All while navigating the intrigues around him and discovering his purpose.

Silas is inducted into the System, becoming the last in a long line of Earth's "forerunners." The rewards are great, but the danger is greater. We are not alone in the universe. The fate of five worlds hangs on how their forerunners perform. Will Silas have what it takes to win Earth a place in the multiverse? Or will Earth become another mining world stripped of all resources and left a barren husk floating in the cosmos?

After fulfilling the duty all Arch Necromancers are tasked with, the last thing Sylver Sezari expected was to be reborn. He was usually the one reanimating dead things, after all. How ironic. But reborn he was. And after crawling his way back into the land of the living, he finds himself in a strange land, a strange time, and with a strange floating screen in front of his new face. Either through plan or chance, he’s alive again, and planning to enjoy himself to his heart's content.

Sam watches the demonic forces of darkness as they engulf and destroy the land of Westria. The final battle is over. Or so Sam thinks. In the last moments before the world’s end, Sam is given a second shot to save everything he holds dear. He’ll be sent back in time. Reincarnated into his younger self and armed with knowledge of the future, Sam will have the power to undo past mistakes and give the people of Westria a fighting chance against the impending apocalypse.

Kay's life takes an unexpected turn when he is transported to a mysterious world brimming with unfamiliar skills, classes, and a system. As he struggles to comprehend his new reality, he discovers a unique class that’s never been seen before—a powerful new form of blood magic that allows him to shape and manipulate the life force coursing through his veins. But the powers that be view Kay as a threat to their authority and dominance and are more than happy to eliminate him to maintain the status quo.

John Mavren and his comrades eventually reached the 100th floor, five years after the desolation of the outside world and 20 years after the Tower first appeared. In a violent battle to ascend, John was struck down even as he dealt the final blow to the last boss.