Douluo's Peerless Demon

The protagonist travels to Douluo Continent and vows not to sink again. He used to be kind and naive, but now he has changed. Transformed into an evil spirit, stained the continent with blood, and became a shadow in people's hearts. (This article has no system, everything is given by the author, do whatever you like!) Plug-in: Author. Don't be a disciple, don't follow the protagonist.