Blasphemy Wizard by Deceit World - Chapter 244 - 242: Secret Keeper

The moment when mercenary leader Kwang Hwi receives video game like abilities, the world is suddenly thrown into chaos. A thick fog envelops the Earth, bringing with it savage, otherworldly monsters. At the same time humanity has been rendered defenseless against this onslaught, as the strange fog turns most weapons to rust. With mankind spiraling towards oblivion, it is up to Kwang Hwi, with his new abilities, to save the world. Watch as Kwang Hwi leads his militia and becomes the last bastion of humanity. Will he be this world’s savior, or its conqueror?

A genius idiot born from an incestual marriage!

A young man with triple identities of worker, murderer, and university student!

Cadillacs and Dinosaurs, Sangokushi, KOF, Knights of the Round, Shadow Force, Street Fighter…

Each one of the arcade games you are familiar with has already been changed into a prerequisite for survival!

Slaughtering Shiranui Mai with Ya Otome, Jigoku Gokuraku Otoshi to kill Li Dian. There is only what hasn’t been thought of, there isn’t anything that can’t be thought of!

On an unknown day, when you walk down the stairs, you may accidentally walk into this —— arcade nightmare!

- Description from Novelupdates

Karl Wagner is a disgruntled middle-aged instructor at the Bundeswehr Command and Staff College. He finds himself concerned about the direction which the German nation is headed in—just as he is killed by a terrorist attack. Only to awaken and find himself reborn as an infant, Bruno von Zehntner, the youngest son of a noble family renowned for its part in the German war industry a few years after the founding of the German Empire. Bruno, as he is now known, desires to rewrite history and ensure the German Empire emerges victorious in the coming century. And in doing so, finds himself entrenched in a world filled with Blood and Iron!

On a normal boring day, a message appears, inviting him to a Tutorial.