The Great Demon System

Twenty-four-year-old Ethan Cross is a broke delivery guy stuck in a decaying city, betrayed by his girlfriend, mocked by coworkers, and ignored by society. One night, after saving a mysterious old man from thugs, he is rewarded with the Conqueror System, a mysterious interface that grants him skills, wealth, and abilities in exchange for “conquests” in the real world… both in business and in romance. The more he wins hearts and dominates industries, the more powerful he becomes physically, mentally, and socially. But soon, he realizes that his rise threatens the interests of shadowy organizations, ruthless billionaires, and supernatural enemies who see him as a dangerous anomaly.

Jilted at the altar by his girlfriend on his wedding day, mocked by friends and family, and scorned by the media, 30 years old Arnold Stone thought all was lost when he was then attacked by mobs and hit by a truck on that same unfortunate day. Mysteriously he survived the accident unhurt and unscathed without bruises, and wakes up a changed man, who’d also become the host of a dark super lavish system called the Nexus. Binded to the instructions of this system, he is asked to accomplish various tasks, and quests in order to unlock points and embark on a journey of vengeance on those who hurt and ridiculed him. Also, he is no longer Arnold Stone, the poor grocery owner who barely had a dime to his name. Now he is the host of a system worth trillions of dollars. King of the underworld and a rising Trillionaire!

In a world where strength rules, Oliver is nothing—a talentless outcast doomed to be weak. Beaten down and forgotten, he’s on the brink of giving up… until a mysterious system awakens within him. It whispers of power, demanding he complete dangerous tasks in exchange for strength. With every mission, he levels up, evolving from a nobody into a force to be feared. But the path to the top is ruthless, and the system has its own secrets. Will he conquer destiny—or become its pawn?

Sanxi, the one last person and the only mortal who can carry the death runes. . . His life changes the moment a supernatural portal opens and gives him access to the world of supernatural creatures. In this magical world, a new system is activated and he must learn to survive while training and gaining magical powers that will help him kill the Lord of the Underworld and save humanity from him.

"In the gritty streets of City X, James, an endlessly heartbroken man, faces a cascade of breakups due to his financial struggles. Little did he know that his life was about to take a surreal turn. A mysterious system grants him unimaginable wealth and skills, just by signing in every day. As James grapples with newfound affluence, navigating love and life in a world that suddenly seems too good to be true.”

In the war-scarred realm of Valecross, every sixteen-year-old awakens a Spirit Gift, except Liam Cross. Branded The Powerless, mocked, and hunted in Ravenhold Academy, he’s destined for failure. Until one night, a black crystal pendant, the last relic of his mother, shatters awake. Inside it stirs a forbidden System unlike any ever seen. It tracks his strength, speed, and quests like a living game. As Liam secretly grows stronger, dark forces begin to move, rivals who fear him, and a prophecy that calls him the Echo Chosen, the one who will either save Valecross... or destroy it. When monsters from the Rift return to devour the academy, Liam must decide: Embrace the Shadow System, or let the same monsters that took his family make him lose everything.

Devon Arias witnessed all of his family got brutally murdered in front of him. When he actually become a sacrifice for Demonic Summoning Ritual, Devon sabotaged the ceremony and made a pact with seven demons at once so he can exact his revenge to everyone who responsible for the death of his family. The pact is done and suddenly a bright transparent screen appeared in front of him. Devon got a system to utilize the power of 7 demons inside him. What will happen to Devon next? Will he be able to control the seven demons or will he be controlled by them? What about Devon's revenge, if the demons secretly have a secret plan to rule the world?

After been killed by his cheating girlfriend's heartthrob, Donald finds himself reincarnated within the body of a weak hunter in another universe. He somehow is bestowed with a system upon his death and got transmigrated by its powers. In this apocalyptic world where monsters and demons thrive, Donald must complete every mission the system asks him to do in order to become more powerful and have his revenge on those who scorned him—even if he has to destroy the world to achieve this. And even if he has to become a villain to become more powerful, he is willing to walk that path. After all, humanity is already sunken beyond redemption. This is the purpose of the system—the Renegade System with which he awakened!

The origin of greed and the starter of war -money. The most important thing needed to cultivate -Money! Han Yichen an ordinary transmigrator in the world of cultivation filled with dangerous beings where one could die without strong backing or strength. Ding! This ordinary transmigrator was destined to be the richest cultivator... And maybe, just maybe, the strongest too.

The SYN virus turned men into flesh-craving monsters, causing the Earth to lose more than half of its population. Just when humanity gave up, fighters known as Reapers arose from the ruins, once infected but now immune. With their new strengths, these reapers could turn the tide. Alex Ray, just turned sixteen, was never meant to survive. Shot for defying a corrupt officer, his body is dumped in the Outer Regions—Earth’s deadliest horror land. However, God had other plans. [Congratulations, Mortal, you have fulfilled all requirements and obtained the Magnus Dei System.] [Host’s potential: Unlimited.] [Rank: 0] The system’s arrival sparks a new beginning with a single directive: survive and ascend, but great power invites greater responsibilities, and there’s even more. Alex holds within his blood the cure to the virus, and now he must prevent both the system and the cure from falling into the wrong hands. Otherwise, the virus will not only end humanity… but rewrite the very design of creation.