Supreme Dan Refiner of Realms - Chapter 43 - :Devil exercise

Luke a 13-year-old boy lover of all kinds of novels, series, and manga, dies and is reincarnated in Wednesday's world with above-average psychic powers.As he immerses himself in the world of outcasts and monsters, he will discover that it is not as simple as it seems. Luke in his new life is a descendant of the famous writer Edgar Allan Poe and must deal with an old family grudge.

A magical 'Universal Toolbox' led Joe Ga into the arms industry.The complex and unpredictable nature of the world caused Joe Ga to gradually change his goals...“Sir, how did you end up here?”“I don't know, I just wanted to make some money at first, buy a house, marry a wife. But slowly, as more and more people appeared around me, my goals started to change.”“So what are your goals now?”“Now, I just want to retire peacefully with my guys, really!”

“A cheat system? Do you take me for a fool? Nowadays, where can you find such a good thing falling into your lap? Scram from my head. Is this is new kind of fraud? Or is this a murderer training system of aliens that contains the ability of hypnotism?”

“No, I am the chaos that whispers from nothingness, the nightmare of all living beings in the Southern Ten Stars, the successor of the unparalleled God and… your elder sister.”

“…I only have a younger sister, I don’t have an elder sister!”

“No, you have one. I am an illegitimate daughter. It’s just that your dad didn’t inform you.”

- Description from Novelupdates

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?