Devouring all things: I possess the energy of chaos.

On Earth, peril lurks everywhere. The shattering of the native space, the invasion of demonic races, and the covetous eyes of alien civilizations… Three hundred years ago, mutated demonic beasts appeared across the globe. Their bodies were as hard as iron, impervious to bullets, artillery fire, and even terrifying demon kings that withstood nuclear attacks! The demonic races rallied together to attack human civilization. In their hasty response, nations suffered heavy casualties; over a fifth of the billions of humans worldwide perished, and some smaller nations were annihilated. Simultaneously, ancient god ruins appeared throughout Earth. Some pioneers who explored these ruins gained the ability to fly and burrow underground…