Darkening Is Twice as Strong! from a Royal Guard to an Eternal Tyrant

The imperial power is in decline, and demons are rampant. Su Yu traveled through time and obtained the blackening system. As long as he completes the blackening event, his strength will double. Since evil people are rampant in this world, then I will become the biggest evil person! "Complete the blackening incident and rob civilian girls!" Liuhe marksmanship doubles your proficiency! "Achieve a blackening incident and kill your colleagues!" The Four Symbols of Heaven's Will doubles your proficiency! "Achieve the blackening incident and rebel and become emperor!" One sword cuts across the world, doubling your proficiency! … When Su Yu put an end to the chaos in the world, the emperor opened his mouth and named him the King of Side by Side to share the country. But he held an iron sword and pulled the emperor off the dragon chair: "Don't bother me. I think your position is pretty good." The civil and military officials of the entire dynasty bowed their heads and proclaimed themselves ministers, and no one said a word. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.