1 Kings 18:28

18:28 So they yelled louder and, in accordance with their prescribed ritual, mutilated themselves with swords and spears until their bodies were covered with blood.

Revelation 13:16-17

13:16 He also caused everyone (small and great, rich and poor, free and slave) to obtain a mark on their right hand or on their forehead. 13:17 Thus no one was allowed to buy or sell things unless he bore the mark of the beast – that is, his name or his number.

Revelation 14:11

14:11 And the smoke from their torture will go up forever and ever, and those who worship the beast and his image will have no rest day or night, along with anyone who receives the mark of his name.”