Supreme Alchemist - Chapter 2391 - 2381: Black Whistle!

Roy’s life was nothing special. The only thing commendable was the last few moments when he saved a mother and her child from a drunk driver.
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It’s really an egg! Damn it, what kind of monster have I become? Did I fall into Hell instead of making it to Heaven??
Join Roy as he ventures through various worlds with the Custom Made Demon King System—a system that allows Roy to draw anything he can imagine and create it through exchanging souls!

Let someone else go to war, you, lucky Austria, go get married! What the god of war can give you, the god of love can also give you.

The smoke of the Napoleonic Wars has dissipated, and the Vienna system that once brought peace to Europe is riddled with holes. Beneath the seemingly peaceful appearance, there is a vortex of the times with undercurrents, the tranquility before the storm.

The air is filled with the steaming mist of sweat, and the choking black smoke makes it hard to breathe. On the elegant dining table, a group of soldiers and fat men in suits are pushing each other, feasting on the feast called the world, hanging on the wall Van Gogh’s self-portrait with waltz in his ears.

Suddenly the music turned into a march, and the picture also turned to the battlefield. Soldiers marched in a neat line, walking towards the machine gun barbed wire.

A shell fell on the ground, and after the smoke passed, countless cavalry rushed to the artillery position.

Accompanied by a loud noise, a wooden plane flew close to the ground, then pulled up rapidly, broke through the clouds, and shone brightly.

- Description from novelbuddy

Doomsday Online has descended, reducing the entire Earth to a ruined playground. It is occupied by countless terrifying monsters.