The end of the world as we know it couldn't come at a worse time for Adrian. One minute, he's an operations manager overseeing a construction job in the wilderness. The next, an unknown energy force changes the very nature of life itself, from the smallest organism to the top of the food chain. Earth's surviving inhabitants, its environment, and the very laws of physics have all undergone fundamental transformations. Many of those changes aren't pretty. Plenty of them are deadly.

Luke is an apprentice leather worker, training with his family to one day take over the business. He and his friends Andre, Taylor, and Zed have known each other forever, and swear that nothing will ever tear apart their friendship. Then the Royal Decree comes. With the Dynasty of Dogs invading, and strange monsters appearing in the Hollow Kingdom, a draft has been implemented. Everyone 17 or older is required to be tested for "Potential". If they have it, they will join the mysterious and renowned Ascender Corps. If not, they will be drafted into the Legion as a forced recruit.

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.

Lu Jie woke up in a world filled with scheming sects, arrogant young masters, and the mad chase for the immortal heavens. He wanted none of it, and soon finds himself beaten bloody in a spar he didn't remember and treated as less than worthless. But his plan to escape the sect is interrupted by an old Alchemist's pills that heal him within moments—a magical cure. These medicines ignite the flame of curiosity to learn true magic in him. Lu Jie sets out to study the truths hidden within the world, and soon finds an all new path of cultivation that could take him to the very top.