System: Please Don't Upgrade Again

"Ding, please don't upgrade, master. The master's level has exceeded the system calculation, and there is a bug." Zhao Xi is very helpless, he is too invincible and too lonely. He looked at the corpses of hundreds of millions of demons that fell at his feet, the group of Da Luo Jinxian and the dawn people of hundreds of millions of planets kneeling in front of him. He just wanted to say who else? This book is on the dark side, and the protagonist must avenge himself, regardless of gods or Buddhas. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.