The Doomsday Carnival of the Undead

Folks, here are the steps to have fun before the end of the world: Step 1: Light the flame; Step 2: Sentencing the guilty person; Step 3: Put on a crown of thorns and a beautiful dress; Step 4: Hold each other's hands; Step 5: Celebrate around the flames; Step Six: 'Kill' the 'sinner', take off his crown, strip off his finery… As for how I knew—— I arrived, and I saw that I had lit a bonfire, put on a crown of thorns, and pierced the blade of my own chest... As we all know, if a person is killed, he will die. But here's the problem, I won't die