Your Majesty the Empress, Please Behave Yourself

Li Xini transmigrates to another world and gains the ultimate cheat: the Demon King of the End! [After awakening, he will gain eternal life and the power to be invincible, omniscient, and omnipotent.] [Awakening requirements: 1. Experience a genuine death. 2. Bear the infamy of all history.] Note: For the Demon King's safety, he is protected by a beginner Demon King grace period until he awakens. He has no abilities apart from eternal life. Li Xini: ? He tries thousands of ways to die, but every attempt fails. Li Xini suspects that only a god could kill him.

"Your Majesty, I will use the nation's entire wealth to build an altar to the gods and pray for an evil god to descend, changing this country's fate with a wicked sacrifice. The price is only the soul of one insignificant man. Let me bear the name of a black wizard, endure the wrath of the Church and the curses of the people, and become a sinner for all time! Because by then, I will be dead!"

"Li Xini's final words."

He thought the plan would go smoothly, but never imagined that even an evil god would be unable to kill him! When he awoke again, he saw his own tombstone. The duke who saved the world, the hero of Britannia, the Empress's beloved for all her life: Li Xini