In the Prime Kingdoms, the system dominates everything. It dictates one’s strength, skills, and power. It spawns dungeons and guides the actions of their monsters. But every system has its limits, and it’s about to push four oddball adventurers to theirs.

As a monster, Shrubley is forbidden from joining the adventurers guild. In a world where essence artists rank up in power and most monsters are feral beasts, Shrubley is among the weakest of creatures and is treated as an outcast. With curiosity essence bound to his spirit, Shrubley might be weak, but he's intelligent and determined. Against all the odds, he discovers a loophole from the Druid that gave him life—but there's a deadly catch. For a chance of ever being accepted as a true adventurer, he must challenge an otherworldly realm threatening to consume everything.

As a rising actor, Kanin's body is his career. His identity. His life. All that is taken from him when he dies and is reborn as a bottle of ink. Now living as the heart of a magical glass servant, Kanin's new purpose is to perform a senile wizard's yard work—a role this world's magic system seems intent on enforcing. All that might have been manageable if a murderous shadow monster wasn't hunting his very soul. But he's not in it alone.

Spot was summoned from his comfortable charging pad and familiar floors to a world of magic and intrigue. But after the flight of his new patrons, he is left alone to care for a filthy castle. During his quest to keep this new home clean, Spot will face demons, foreign armies, and his arch nemesis, the dreaded stairs. All those who stand before him will be swept away. Those who follow his spotless trail will find enlightenment, purity, and a world on its knees.

Earth was chosen for Integration, but Ethan Hill knows from the second his Trial begins that the Integration is a lie. The beings giving Earth the 'honor' of access to their System Interface want something from Earth—he just doesn't know what. Now he's trapped on an alien planet and lost in a time loop, fighting for strength and for his own humanity. One thing's for sure: He'll die as many times as it takes to tear it all down.

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.

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?

All of the stories you've heard are wrong. They always tell you that starting a new life in a fantasy world is an amazing experience, full of magic, adventure, and true love...but they never tell you what happens when it's over. They don't tell you that it just happens again. And again. By the time you start your third new life in a row, all of that initial amazement wears off. That's where Lux finds himself now: dropped into yet another fantasy world, forced to restart his life all over again. He wants nothing more than to disappear...but it seems the world has other plans for him.

Seth spends his days hunting down mystical artifacts. As a curator for the Arcanum College, that's his job. But when an arcanist murders a fellow scholar, Seth finds himself assigned instead to a dusty, thirsty, frustrating manhunt. Why him? Because, he's been told by his superiors, he's the only curator sufficiently tenacious and brutal for the job. (Seth resents that.) When the murderer vanishes at the edge of a deadly desert, Seth finds himself in need of a guide.

Lives are a currency, and Noah Vines is rich. With countless variations of runic magic to discover and with death serving as only a painful soul-wound rather than a final end, Noah finally has a chance to wander the lands of the living once more. This time around, he plans to get strong enough to make sure that he never has to wait around in the afterlife again.

Finally reunited with Raul, but now separated from his twin brother, Devon, Brad has learned the hard way that magic is far from an exact science. Not that his grades in actual science were all that stellar to begin with. Now he has to find a way to get back into The Wolf's Mate with Raul, hope the threatening visions he's having of Constantine following him into the real world are just dreams rather than premonitions, and deal with a heroine who's furious Brad has usurped her role, all while fending off morning sickness.

A small-town kid from a trailer park in Canada, Deke already had all the odds stacked against him. Even with his slim chances, he got recruited as a scholarship athlete. He joined the University of San Pandero in California and took his first step on his road to the top. He was flying high until he landed wrong. The doctor's planned recovery time ruined his season. That changed Halloween night when Deke tried to save a teammate. His hobbled flight from the goons beating up Ronnie would change his life forever. The harrowing escape ends when Deke finds an unknown needle sticking out of his leg.

Ryan Rosa has had a run of bad luck, but when he receives a VIP package for the newest and hottest game to come out in years, his luck takes a turn for the better. But his good luck ends when he's stabbed in the back by a guild of players who betray him for a unique weapon he possesses. Ryan contemplates doing the one thing every player hates doing: rerolling his unique character and starting over. But even starting over won't save Ryan in New Realm Online.

Gabriel was a successful magic student until a classmate framed him, forcing him to join the Adventurer’s Guild to survive. Unfortunately, his career as an adventurer doesn’t turn out quite how he was hoping. While on his first delve, he discovers more about monsters, dungeons, and souls than he ever imagined. With that knowledge comes power and new friends. But even as his exotic companions enrich his life, they also give him more to lose.

Without so much as a warning, humanity in its entirety was suddenly moved to another dimension. Every person, without exception. But this new world, with all its opportunities and gifts of wondrous abilities, was a stadium. A deadly arena of an unimaginable scale. And humanity was to be its latest gladiators. Every man, woman, and child was given a weapon and ordered to fight. Stuck in this dimension without a way out, only two options existed for the would-be hunters: Fight with monsters to complete the many trials ahead, or perish.