Low Dimensional Game - Chapter 429 - The Battle for the Fourth World

After getting forcefully reincarnated into a world of an otome game he has no clue about, the protagonist is then killed and brought back to life by the prideful villainess with one desire.

To rule the world.

As the ruthless girl’s Eternal Servant, how will he dodge the fate that the game system has in store for him?

The two faced number one female spy transmigrates to a different world and becomes an outrageous idiot girl. When she woke up, what she had to face was consecutive blows of the decline of her family clan, her crippled martial skills, and her disfiguration. To protect her family, she must obtain the treasured book, obtain outstanding achievements, summon a dark beast army. Wait and see how in this unfamiliar, dark magical continent, she dies and becomes a demon then steps up to the top, making all of the formidable people in the world bow down to her in respect.

- Description from Novelupdates

In the middle of a deserted island, a small boy wakes up with two sets of memories: one from his few years of life and the other from a man who lived to adulthood and achieved great things. When he least expected it, a powerful master appeared on the island and took him in as a disciple, revealing a shocking fact: magic exists in that world, and, thanks to it, humanity managed to conquer the galaxy.

NightmaresCreatures that appeared from the unknown a millennium ago continuously threatened humanity, pushing and pressuring people who once inhabited it aside. These Entities brought the world into utter chaos, furthering their influence to what was once a land that belonged to its rightful owner.In the end, humanity was forced to adapt.They kept trying different ways to fend off the Nightmares, and the solution they finally settled on was… why not become one themselves?Cesar Sparrow, an unfortunate fellow born in an era full of corruption, horror, and the unknown, was desperately trying to escape from its clutches… until he found an enigmatic, dying eyeball that latched itself onto him.“Hehehe, what a great fellow you are,”“How are you talking—. Just what are you…?”The dying eye that latched itself to his empty, bleeding eye socket chuckled, its voice groggy as it answered.“What do you think am I? I’m just an old and weak Nightmare, Sparrow. Though, you can call me Eyes of Deceit. And I'll borrow your body for a moment if you won't mind. Hehe,”“No, why would I give you my body?! Get the fuck out!”Entrapping himself in a series of encounters, uncovering secrets that belong to the Nightmares… and the humanity wanted to remain hidden, Cesar Sparrow ventures into the unknown.To keep struggling, to keep resisting, to keep persevering… will all that be enough?Will he be finally the one to break the chains humans had found themselves in, ending a millennium of suffering? Or succumb to the curse of the Nightmares?