The Red Dragon Emperor

An ordinary person, an unknown system, what kind of turbulence would happen to the spirit world of Douluo Continent, a god-killing device powered by thoughts? Douluo Dalu 1 (Gou plot)-High School DXD Part 1-God Killer-Sin Crown-Sword Art Online uw-Fate/Zero-Saint Seiya Hades Myth LC-DXD Second Part-Douluo Dalu 2 Peerless Tang Sect-Fight Legend of the God Realm of Luo... PS This book is slow, does not rely on the system, and is not a dragon.